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Perez R, Sichel JY, Salem R, Hildesheimer D, Roland JT, Margalit N. [AUDITORY BRAINSTEM IMPLANTS (ABI) IN CHILDREN: CASE SERIES IN SHAARE ZEDEK MEDICAL CENTER]. Harefuah 2023; 162:413-418. [PMID: 37561029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
BACKGROUND Cochlear implants (CI) are the treatment of choice for individuals with severe to profound sensorineural hearing loss. A small group of patients, with pathology central to the cochlea, cannot benefit from CI. Examples in children include absence of the cochlear-nerve or cochlear aplasia. In these cases, implantation of an auditory brainstem implant (ABI), directly stimulating the cochlear nucleus, bypassing the inner-ear and auditory-nerve, may be beneficial. OBJECTIVES Describe a series of children with ABI's treated in Shaare-Zedek, including the first ABI implantation in Israel (2017). METHODS Of 9 patients with ABI's treated in Shaare Zedek Medical Center ,7 were children implanted between ages 2-8.6 years. Five boys and two girls. Surgeries were conducted in collaboration between neurosurgeons, neurotologists and audiologists (five implanted in Shaare-Zedek and two in New-York University). Follow-up was between 2-6 years. Hearing evaluation was conducted, mainly, with audiograms, categories of auditory performance (CAP), speech perception testing when possible and estimation of device use per day. RESULTS Six of the seven children, who initially underwent unsuccessful CI, had deficient auditory-nerves. One child had cochlear-aplasia. In 3 children hearing loss was part of the CHARGE syndrome. CAP scores ranged from 0-7 (0,1,3,5,5,7). One child was able to achieve open-set speech perception. CONCLUSIONS Although functional auditory outcomes for children with ABI are inferior to CI recipients and are highly variable, some children were able to obtain significant benefit. In these children, who are not candidates for CI, the ABI presents the only chance for auditory awareness and may be recommended. DISCUSSION John Thomas Roland is a consultant and recipient of research support from Cochlear Americas.
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Affiliation(s)
- Ronen Perez
- Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center and the Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Jean-Yves Sichel
- Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center and the Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Riki Salem
- Audiology Clinic, Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center Jerusalem, Israel
| | - Dina Hildesheimer
- Audiology Clinic, Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center Jerusalem, Israel
| | - John Thomas Roland
- Department of Otolaryngology, New York University School of Medicine, New York, New York, USA
| | - Nevo Margalit
- Department of Neurosurgery, Shaare Zedek Medical Center and the Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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Perez R. [OTONEUROLOGY- A MULTIFACETED FIELD]. Harefuah 2023; 162:410-412. [PMID: 37561028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Otoneurology is a broad, diverse and multidisciplinary field. On the one hand, it includes everything that relates to hearing: from complex surgery including life-changing implants to effective medical treatments and habilitation. On the other hand, it includes all that has to do with balance, from novel vestibular tests to complex medical treatments and recently, the development of a vestibular implant for patients suffering from bilateral peripheral vestibular loss. This special issue on otoneurology includes 8 original papers and 3 reviews. The first three articles deal with auditory implants. The first describes a series of children who underwent auditory brainstem implantation, including the first implantation in Israel 6 years ago. The second, presents patients with acoustic schwannomas undergoing cochlear implantation and the third relates to patients with Meniere's disease. Cochlear implants are one of the most significant developments in medicine in recent decades that enable most deaf individuals to hear, and develop normal language, heavily influencing all aspects of personal development and social integration.
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Affiliation(s)
- Ronen Perez
- Department of Otolaryngology Head and Neck Surgery, Shaare Zedek Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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Vieyra O, Santiago R, Delgado A, Martinez A, Perez R, Osornio V, Garza G, Lopez R, Trujillo L. Laparoscopic resection of colovesical fistula secondary to diverticular disease in sigmoid colon. Technical aspects of one-stage surgery. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01422-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Chen I, Eligal S, Menahem O, Salem R, Sichel JY, Perez R, Shaul C. Time from sudden sensory neural hearing loss to treatment as a prognostic factor. Front Neurol 2023; 14:1158955. [PMID: 37122288 PMCID: PMC10140592 DOI: 10.3389/fneur.2023.1158955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 03/24/2023] [Indexed: 05/02/2023] Open
Abstract
Introduction The widely accepted treatment for sudden sensorineural hearing loss (SSNHL) is corticosteroid treatment (oral or intratympanic). The main goal of this work is to define the significance of the time between symptom onset and treatment initiation, as well as other prognostic factors, for hearing improvement. Methods This retrospective study included 666 patients treated for SSNHL. Demographic data, audiometry, treatment method, time since symptom onset, and associated symptoms were recorded for each patient. The patients were divided into five groups according to the treatment initiation time-half a week, one week, 2 weeks, 3 weeks, or 4 weeks and over-after symptom onset. The degree of improvement was assessed by comparing the audiometry at the beginning and the end of the treatment. Results The average period of hearing loss from symptom onset to treatment initiation was 10.8 days. Significant differences were found between the groups of half a week, one week, and 2 weeks and the groups of 3 weeks and 4 weeks and over (each separately, p < 0.001). No difference was found between the half-week, one-week, and two-week groups, nor was there a difference between the three-week and four-week-and-over groups. A correlation was found between the treatment initiation time in days and the degree of improvement in hearing for both speech recognition threshold (SRT) and discrimination, R = 0.26 p < 0.001 and R = 0.17 p < 0.001, respectively. No correlation was found for gender, age of the patients, comorbidities, or associated symptoms. Conclusion The threshold for treatment initiation time is up to 2 weeks, after which the amplitude of hearing improvement decreases significantly. The other prognostic factors measured were not found to be statistically significant predictors.
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Eikelboom R, Whitlock R, Nguyen F, Perez R, Weitz J, Belley-Cote E. DIRECT ORAL ANTICOAGULATION VERSUS WARFARIN IN PATIENTS WITH ATRIAL FIBRILLATION AND BIOPROSTHETIC HEART VALVES: A RETROSPECTIVE, REAL WORLD COHORT STUDY. Can J Cardiol 2022. [DOI: 10.1016/j.cjca.2022.08.183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Chen I, Sichel JY, Ben-David E, Perez R. Vascular Anomaly in the Fallopian Canal Encountered Unexpectedly During Cochlear Implantation. J Int Adv Otol 2022; 17:574-576. [PMID: 35177398 PMCID: PMC8975391 DOI: 10.5152/iao.2021.21227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
A 68-year-old male with progressive sensorineural hearing loss underwent left cochlear implant surgery. While developing the posterior tympanotomy and identifying the facial nerve mastoid segment, gentle stimulation by the nerve stimulator resulted in unexpected profuse venous bleeding. After achieving hemostasis with Surgicel and Spongostan, the posterior tympanotomy was extended exposing a large aberrant vein running parallel to the tympanic and mastoid segments of the facial nerve in the fallopian canal. Good exposure and careful palpation of the vein assisted in ruling out facial nerve hemangioma. An intraoperative decision to proceed with implantation, taking into account limited benefit from future magnetic resonance imaging, was taken. The patient had a temporary 3-month post-operative facial nerve weakness, probably from pressure applied during hemostasis. Auditory cochlear implant function was excellent. A larger than normal diameter of the tympanic and mastoid segments of the facial nerve was seen in re-reviews of the preoperative computed tomography. We believe drawing the readers' attention to this anomaly, which to the best of our knowledge has not been previously described, can assist in the choice of preoperative imaging and increase awareness of deviation from the norm of facial nerve diameter. In addition, knowledge of possible venous anomalies may aid surgeons in such intraoperative decisions.
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Affiliation(s)
- Itay Chen
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israe
| | - Jean-Yves Sichel
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israe
| | - Eliel Ben-David
- Department of Radiology, Shaare Zedek Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ronen Perez
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israe
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Chordekar S, Perez R, Adelman C, Sohmer H, Kishon-Rabin L. The Effect of Soft Tissue Stimulation on Skull Vibrations and Hearing Thresholds in Humans. Otol Neurotol 2021; 42:598-605. [PMID: 33481542 DOI: 10.1097/mao.0000000000002990] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
HYPOTHESIS Hearing via soft tissue stimulation involves an osseous pathway. BACKGROUND A recent study that measured both hearing thresholds and skull vibrations found that vibratory stimulation of soft tissue led to hearing sensation that correlated with skull vibrations, supporting the hypothesis of an osseous pathway. It is possible, however, that a lower application force of the vibrator on the stimulated soft tissue would not be sufficient to elicit skull vibration suggesting hearing via a nonosseous pathway. The purpose of the present study was to confirm the osseous pathway by measuring skull vibrations and behavioral thresholds using a low application force on a layer of ultrasound gel. Gel was used to mimic soft tissue because of its similar acoustic impedance and to control for variability between participants. METHODS Hearing thresholds and the skull vibrations of five patients who were implanted with bone-anchored implants were assessed in two conditions when the bone vibrator was applied on the forehead: 1) direct application with 5N force; 2) through a layer of ultrasound gel with minimal application force. Skull vibrations were measured in both conditions by a laser Doppler vibrometer focused on the bone-anchored implant. RESULTS Skull vibrations were present even when minimal application force was applied on soft tissue. The difference in skull vibrations when the vibrator was directly on the forehead compared with the gel condition was consistent with the variability in hearing thresholds between the two conditions. CONCLUSION These results reinforce the hypothesis that skull vibrations are involved in hearing when sound is transmitted via either soft tissue or bone.
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Affiliation(s)
- Shai Chordekar
- Department of Communication Disorders, Stanley Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University
| | - Ronen Perez
- Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center, Affiliated with the Hebrew University Medical School
| | - Cahtia Adelman
- Speech and Hearing Center, Hebrew University School of Medicine-Hadassah Medical Center
- Department of Communication Disorders, Hadassah Academic College
| | - Haim Sohmer
- Department of Medical Neurobiology (Physiology), Institute for Medical Research-Israel-Canada, Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Liat Kishon-Rabin
- Department of Communication Disorders, Stanley Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University
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Terra C, Perez R. Albumin for cirrhotic patients with infections unrelated to spontaneous bacterial peritonitis: A still no answered question. J Gastroenterol Hepatol 2020; 35:2290-2291. [PMID: 33502039 DOI: 10.1111/jgh.15200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 07/20/2020] [Accepted: 07/23/2020] [Indexed: 12/09/2022]
Affiliation(s)
- C Terra
- Liver Unit, Pedro Ernesto University Hospital, State University of Rio de Janeiro, Rio de Janeiro, Brazil.,Digestive Unit, Federal Hospital of Lagoa, Ministry of Health, Rio de Janeiro, Brazil
| | - R Perez
- Liver Unit, Pedro Ernesto University Hospital, State University of Rio de Janeiro, Rio de Janeiro, Brazil.,Liver Unit, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,D'Or Institute for Research and Education (IDOR), Rio de Janeiro, Brazil
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Shaul C, Roland JT, Sichel JY, Salem R, Perez R. Revision cochlear implantation using a double array device in the post-meningitis ossified cochlea. Int J Pediatr Otorhinolaryngol 2020; 139:110446. [PMID: 33091810 DOI: 10.1016/j.ijporl.2020.110446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 11/28/2022]
Abstract
PURPOSE To describe the surgical technique and outcome in a series of patients who underwent revision cochlear implantation using a double array or split electrode device. All patients developed ossified cochleae due to meningitis and were functioning poorly with the previous implant. METHODS Four patients between the ages of 4-15 years underwent revision with five double-array cochlear implant devices. One patient underwent bilateral revision surgery. All patients had previous meningitis with CT and MRI imaging studies that demonstrated completely ossified cochleae. The time interval range between the disease and the initial cochlear implantation and was 4 months to 3 years. The patient's data were retrospectively analyzed with emphasis on the surgical technique, the number of electrodes inserted, and the number of active electrodes at follow-up. In addition, pre and post-revision surgery function was compared. RESULTS The revision surgery was carried out 2-11 years after the initial surgery. Two tunnels, basal and apical, were drilled in the ossified cochlea. In each of the tunnels, 5 to 11 electrodes were inserted. While the number of active electrodes before revision was 0-5, after revision with the double array, it was increased to 8-12, resulting in improved auditory and speech function. CONCLUSION Revision cochlear implantation with a double array implant using the two tunnel technique can increase the number of active electrodes. This leads to a better outcome in post-meningitis children with completely ossified cochleae and a poor functioning previous device.
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Affiliation(s)
- Chanan Shaul
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center Affiliated with the Hebrew University Medical School, Jerusalem, Israel
| | - J Thomas Roland
- Department of Otolaryngology-Head & Neck Surgery, NYU School of Medicine, New York, NY, USA
| | - Jean-Yves Sichel
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center Affiliated with the Hebrew University Medical School, Jerusalem, Israel
| | - Riki Salem
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center Affiliated with the Hebrew University Medical School, Jerusalem, Israel
| | - Ronen Perez
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center Affiliated with the Hebrew University Medical School, Jerusalem, Israel.
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Chen I, Cohen O, Shaul C, Sichel JY, Perez R. Is it Beneficial to Treat Patients Presenting Three Weeks or Longer after the Onset of Sudden Sensorineural Hearing Loss? J Int Adv Otol 2020; 16:323-327. [PMID: 33136011 DOI: 10.5152/iao.2020.8489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES The accepted treatment for idiopathic sudden sensorineural hearing loss (ISSNHL) consists of oral or intratympanic steroids. The time from onset to treatment is considered as an important prognostic factor, although there is no clear cutoff point when treatment is no longer beneficial. This study aimed to assess the efficacy of treatment with oral or intratympanic steroids and carbogen, in patients presenting 21 days or later after the onset of hearing loss. MATERIALS AND METHODS A total of 895 patients with ISSNHL was seen in our center between 2010 and 2018. The study cohort included 103 patients treated with oral or intratympanic steroids or both with carbogen 21 days or longer after experiencing hearing loss. Retrospective analysis of files and audiometry was conducted, and pre- and post-treatment audiograms were compared. Improvement was defined by SRT (≥15 dB improvement), discrimination (≥15% improvement), or 15 dB improvement at specific frequencies (250-500, 4000-6000 Hz). RESULTS Hearing improvement, according to the study definition, was seen in 22.3% (23/103) of patients within the time period of the treatment. All the 23 patients had functional hearing after treatment and 16 of them returned to their baseline or normal hearing. While the time from onset of ISSNHL to treatment varied, most patients demonstrating improvement were treated 21-30 days after onset. CONCLUSION In this patient cohort treated late for sudden sensorineural hearing loss (SSNHL), a small but significant number of patients improved during the time of treatment. Although the lack of a control group makes it difficult to prove that the improvement resulted from the treatment, we recommend not to rule out treatment systematically in patients presenting late after ISSNHL. Additional prospective studies are warranted.
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Affiliation(s)
- Itay Chen
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Hebrew University Medical School, Jerusalem, Israel
| | - Ohad Cohen
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Hebrew University Medical School, Jerusalem, Israel
| | - Chanan Shaul
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Hebrew University Medical School, Jerusalem, Israel
| | - Jean-Yves Sichel
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Hebrew University Medical School, Jerusalem, Israel
| | - Ronen Perez
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Hebrew University Medical School, Jerusalem, Israel
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Castro ER, Perez R, Rodriguez S, Bassetti L, Negro R, Vidal R. Epidemiological and virological findings during an outbreak of equine influenza in Uruguay in 2018. REV SCI TECH OIE 2020; 38:737-749. [PMID: 32286570 DOI: 10.20506/rst.38.3.3023] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Equine influenza is one of the major respiratory infectious diseases in horses. In 2018, equine influenza virus (EIV) was confirmed as the cause of outbreaks of respiratory disease in horses in Chile and Argentina. In the same year, for the first time in Uruguay, EIV infection was confirmed by isolation and molecular analysis to be the cause of respiratory disease among hundreds of clinically affected thoroughbred horses in training and racing facilities. The virus was detected in nasopharyngeal swabs by a pan-reactive influenza type A realtime reverse transcription polymerase chain reaction (rRT-PCR). The partial nucleotide sequence of the haemagglutinin 1 (HA1 ) gene (994 base pairs) was determined and analysed phylogenetically using MEGA X software. Amino acid sequence alignments were constructed, and serum samples were tested by haemagglutination inhibition and single radial haemolysis. The diagnosis of EIV was confirmed by rRT-PCR, virus isolation and serological testing. The phylogenetic analysis of the partial HA1 gene sequence of the isolated virus indicated that it belongs to clade 1 of the Florida sub-lineage of the American lineage and is closely related to viruses isolated in the recent past. Study of the HA1 region (331 amino acids) of the virus identified in horses in racing facilities in Uruguay displayed the highest amino acid sequence identity with viruses detected in Argentina, Chile and the United Kingdom in 2018. The surveillance data reported illustrate the international spread of EIVs and support the recommendation of the World Organisation for Animal Health (OIE) Expert Surveillance Panel to include viruses of the Florida sub-lineage in vaccines.
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Kaufmann-Yehezkely M, Perez R, Sohmer H. Implications from cochlear implant insertion for cochlear mechanics. Cochlear Implants Int 2020; 21:292-294. [PMID: 32408805 DOI: 10.1080/14670100.2020.1757225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
It is usually thought that the displacements of the two inner ear windows induced by sound stimuli lead to pressure differences across the basilar membrane and to a passive mechanical traveling wave progressing along the membrane. However, opening a hole in the sealed inner ear wall in experimental animals is surprisingly not accompanied by auditory threshold elevations. It has also been shown that even in patients undergoing cochlear implantation, elevation of threshold to low-frequency acoustic stimulation is often not seen accompanying the making of a hole in the wall of the cochlea for insertion of the implant. Such threshold elevations would be expected to result from opening the cochlea, reducing cochlear impedance, altering hydrodynamics. These considerations can be taken as additional evidence that it may not be the passive basilar membrane traveling wave which elicits hearing at low sound intensities, but rather factors connected with cochlear fluid pressures and fluid mechanics.
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Affiliation(s)
- Michal Kaufmann-Yehezkely
- Department of Otorhinolaryngology/Head & Neck Surgery, Hadassah Hebrew University Medical Center, POB 12000, Jerusalem 91120, Israel
| | - Ronen Perez
- Department of Otolaryngology and Head and Neck Surgery, Otology Unit & Cochlear Implant Center, Shaare Zedek Medical Center, POB 3235, Jerusalem 91031, Israel
| | - Haim Sohmer
- Department of Medical Neurobiology (Physiology), Institute for Medical Research - Israel-Canada, Hebrew University-Hadassah Medical School, POB 12272, Jerusalem 91120, Israel
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Zaltz Y, Bugannim Y, Zechoval D, Kishon-Rabin L, Perez R. Listening in Noise Remains a Significant Challenge for Cochlear Implant Users: Evidence from Early Deafened and Those with Progressive Hearing Loss Compared to Peers with Normal Hearing. J Clin Med 2020; 9:jcm9051381. [PMID: 32397101 PMCID: PMC7290476 DOI: 10.3390/jcm9051381] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 04/28/2020] [Accepted: 05/05/2020] [Indexed: 01/17/2023] Open
Abstract
Cochlear implants (CIs) are the state-of-the-art therapy for individuals with severe to profound hearing loss, providing them with good functional hearing. Nevertheless, speech understanding in background noise remains a significant challenge. The purposes of this study were to: (1) conduct a novel within-study comparison of speech-in-noise performance across ages in different populations of CI and normal hearing (NH) listeners using an adaptive sentence-in-noise test, and (2) examine the relative contribution of sensory information and cognitive–linguistic factors to performance. Forty CI users (mean age 20 years) were divided into “early-implanted” <4 years (n = 16) and “late-implanted” >6 years (n = 11), all prelingually deafened, and “progressively deafened” (n = 13). The control group comprised 136 NH subjects (80 children, 56 adults). Testing included the Hebrew Matrix test, word recognition in quiet, and linguistic and cognitive tests. Results show poorer performance in noise for CI users across populations and ages compared to NH peers, and age at implantation and word recognition in quiet were found to be contributing factors. For those recognizing 50% or more of the words in quiet (n = 27), non-verbal intelligence and receptive vocabulary explained 63% of the variance in noise. This information helps delineate the relative contribution of top-down and bottom-up skills for speech recognition in noise and can help set expectations in CI counseling.
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Affiliation(s)
- Yael Zaltz
- The Department of Communication Disorders, Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv-Yafo 6997801, Israel; (Y.B.); (D.Z.); (L.K.-R.)
- Correspondence:
| | - Yossi Bugannim
- The Department of Communication Disorders, Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv-Yafo 6997801, Israel; (Y.B.); (D.Z.); (L.K.-R.)
| | - Doreen Zechoval
- The Department of Communication Disorders, Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv-Yafo 6997801, Israel; (Y.B.); (D.Z.); (L.K.-R.)
| | - Liat Kishon-Rabin
- The Department of Communication Disorders, Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv-Yafo 6997801, Israel; (Y.B.); (D.Z.); (L.K.-R.)
| | - Ronen Perez
- Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center Affiliated to The Hebrew University Medical School, Jerusalem 9190501, Israel;
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Monsalve FA, Rojas A, Gonzalez I, Perez R, Añasco C, Romero J, Araya P, Santos LS, Delgado-Lopez F. RID: Evaluation of the Possible Inhibiting Effect of the Proinflammatory Signaling Induced by TNF- α through NF- κβ and AP-1 in Two Cell Lines of Breast Cancer. Mediators Inflamm 2020; 2020:2707635. [PMID: 32655311 PMCID: PMC7327562 DOI: 10.1155/2020/2707635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/16/2020] [Accepted: 05/11/2020] [Indexed: 02/07/2023] Open
Abstract
Receptor internalization and degradation (RID), is a transmembrane protein coded within the E3 region expression cassette of adenoviruses. RID downregulates the cell surface expression of epidermal growth factor receptor (EGFR), tumor necrosis factor receptor (TNFR), and apoptosis antigen 1 (FAS), causing a reduction of the effects of their respective ligands. In addition, RID inhibits apoptosis by decreasing the secretion of TNF-related apoptosis-inducing ligand (TRAIL) by normal tissue cells. In this article, we report that RID inhibited chemokine expression in human breast cancer cell line MDA-MB-231 but showed no effect in cell line MCF7. These dissimilar results may be due to the different molecular and functional properties of both cell lines. Therefore, it is necessary to replicate this study in other breast cancer cell models.
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Affiliation(s)
- F. A. Monsalve
- 1Department of Basic Biomedical Sciences, Faculty of Health Sciences, University of Talca, Chile
| | - A. Rojas
- 2Laboratories of Biomedical Research, Division of Medicine, Universidad Católica del Maule, Chile
| | - I. Gonzalez
- 2Laboratories of Biomedical Research, Division of Medicine, Universidad Católica del Maule, Chile
| | - R. Perez
- 2Laboratories of Biomedical Research, Division of Medicine, Universidad Católica del Maule, Chile
| | - C. Añasco
- 2Laboratories of Biomedical Research, Division of Medicine, Universidad Católica del Maule, Chile
| | - J. Romero
- 2Laboratories of Biomedical Research, Division of Medicine, Universidad Católica del Maule, Chile
| | - P. Araya
- 2Laboratories of Biomedical Research, Division of Medicine, Universidad Católica del Maule, Chile
| | - L. S. Santos
- 3Laboratory of Asymmetric Synthesis, Institute of Chemistry and Natural Products, University of Talca, Chile
| | - F. Delgado-Lopez
- 2Laboratories of Biomedical Research, Division of Medicine, Universidad Católica del Maule, Chile
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Valencia-Martín R, Gonzalez-Galan V, Alvarez-Marín R, Cazalla-Foncueva AM, Aldabó T, Gil-Navarro MV, Alonso-Araujo I, Martin C, Gordon R, García-Nuñez EJ, Perez R, Peñalva G, Aznar J, Conde M, Cisneros JM. A multimodal intervention program to control a long-term Acinetobacter baumannii endemic in a tertiary care hospital. Antimicrob Resist Infect Control 2019; 8:199. [PMID: 31827780 PMCID: PMC6894224 DOI: 10.1186/s13756-019-0658-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 11/25/2019] [Indexed: 11/29/2022] Open
Abstract
Background Acinetobacter baumannii causes frequently nosocomial infections worldwide. Its ability to survive on dry surfaces facilitates its spread and the persistence of endemic situations, especially in the intensive care units (ICUs). The objective of this paper is to describe a multicomponent intervention program designed to control a hyperendemic persistence of multidrug-resistant A. baumannii (MDR-Ab) and to characterize its impact. Methods Design: Quasi-experimental intervention study based on open cohorts. Setting: Public tertiary referral centre. Period: January 2009–August 2017. Intervention: multifaceted program based on environmental decontamination, hand hygiene, antimicrobial stewardship, contact precautions, active surveillance, weekly reports and regular meetings. Analysis: joinpoint regression and interrupted time-series analysis. Results The intervention was successfully implemented. Through the study period, the compliance with contact precautions changed from 0 to 100% and with hand hygiene, from 41.8 to 82.3%. Between 2012 and 2016, the antibiotic consumption decreased from 165.35 in to 150.44 daily-defined doses/1000 patients-days in the ICU. The incidence density of MDR-Ab in the ICU was 10.9 cases/1000 patients-days at the beginning of the intervention. After this moment, the evolution of the incidence density of MDR-Ab was: between months 0 and 6°, it remained stable; between months 7° and 10°: there was an intense decrease, with an average monthly percentage change (AMPC) = − 30.05%; from 11° month until the end, the decrease was lighter but continuous (AMPC:-2.77%), achieving an incidence density of 0 cases/1000 patients-days on the 18° month, without any new case for 12 months. From the 30° month until the end of the study period, several little outbreaks of MDR-Ab were detected, all of them rapidly controlled. The strains of MDR-Ab isolated during these outbreaks were not clonally related with the previously endemic one, which supports its eradication from the environmental reservoirs. Conclusion The multicomponent intervention performed by a multidisciplinary team was effective to eradicate the endemic MDR-Ab.
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Affiliation(s)
- R Valencia-Martín
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
| | - V Gonzalez-Galan
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
| | - R Alvarez-Marín
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
| | - A M Cazalla-Foncueva
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
| | - T Aldabó
- 2Department of Intensive Care, University Hospital Virgen del Rocío, Seville, Spain
| | - M V Gil-Navarro
- 3Department of Pharmacy, University Hospital Virgen del Rocío, Seville, Spain
| | - I Alonso-Araujo
- 2Department of Intensive Care, University Hospital Virgen del Rocío, Seville, Spain
| | - C Martin
- 2Department of Intensive Care, University Hospital Virgen del Rocío, Seville, Spain
| | - R Gordon
- 4Cleaning Service, University Hospital Virgen del Rocío, Seville, Spain
| | | | - R Perez
- 5University Hospital Virgen del Rocío, Seville, Spain
| | - G Peñalva
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
| | - J Aznar
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
| | - M Conde
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
| | - J M Cisneros
- 1Departments of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío-Institute of Biomedicine of Seville, Avenida Manuel Siurot s/n, 41013 Seville, Spain
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Miller KD, Milne P, Baker S, Barr D, Haghani A, Loo B, Matteini P, Monson KD, Perez R, Rawn T, Rosi F, Schmitz J, Summer S, Yadlapalli S. Determination of Low-Level Pesticide Residues in Soft Drinks and Sports Drinks by Liquid Chromatography with Tandem Mass Spectrometry: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/91.1.181] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
A collaborative study was conducted on a method for the measurement of 11 low-level pesticide residues in soft drinks and sports drinks by liquid chromatography with tandem mass spectrometry. The pesticide residues determined in this study were alachlor, atrazine, butachlor, isoproturon, malaoxon, monocrotophos, methyl paraoxon, phorate, phorate sulfone, phorate sulfoxide, and 2,4-dichlorophenoxyacetic acid (2,4-D). Blind fortification solutions containing 3 different levels of pesticide residues were provided to 9 collaborating laboratories to create test samples at concentrations of 0, 0.1, and 0.5 g/L with a 10-fold concentration for phorate in a total of 6 matrixes (2 colas, 1 diet cola, 1 clear lemon-lime soft drink, 1 orange soft drink, and 1 sports drink). Good qualitative performance of the method was demonstrated for all pesticide residues. Reproducibility relative standard deviation (RSDR) ranged from 7 to 151 for alachlor, atrazine, butachlor, isoproturon, malaoxon, monocrotophos, methyl paraoxon, phorate, phorate sulfone, phorate sulfoxide, and 2,4-D at the 0.1 g/L level (1.0 g/L for phorate). At 0.5 g/L (5.0 g/L for phorate), RSDR ranged from 9 to 57 for alachlor, atrazine, butachlor isoproturon, malaoxon, monocrotophos, methyl paraoxon, phorate, phorate sulfone, phorate sulfoxide, and 2,4-D in all matrixes. Repeatability relative standard deviation (RSDr), applicable to the diet cola and sports drink, ranged from 0 to 124 for the 11 pesticide residues at the 0.1 g/L level (1.0 g/L for phorate). At 0.5 g/L (5.0 g/L for phorate), RSDr ranged from 4 to 26. Recoveries for the 11 pesticide residues in all matrixes ranged from 84 to 300 at the 0.1 g/L level (1.0 g/L for phorate) and from 66 to 127 at the 0.5 g/L (5.0 g/L for phorate) level. Coefficients of determination (r2) of the matrix-matched calibration curves were 0.95. It is recommended that the method be accepted by AOAC as Official First Action with a limit of quantification of 0.5 g/L for alachlor, atrazine, butachlor, isoproturon, malaoxon, methyl paraoxon, monocrotophos, phorate sulfone, phorate sulfoxide, and 2,4-D and 5.0 g/L for phorate.
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Affiliation(s)
| | - Paul Milne
- PepsiCo Inc, 100 Stevens Ave, Valhalla, NY 10595
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Miller KD, Milne P, Berry B, Loo B, Matteini P, Monson KD, Perez R, Rawn T, Reuther J, Rosi F, Summer S, Varelis P. Determination of Pesticide Residues (>0.5 g/L) in Soft Drinks and Sports Drinks by Gas Chromatography with Mass Spectrometry: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/91.1.202] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
A collaborative study was conducted on a method for the measurement of 19 low-level pesticide residues in soft drinks and sports drinks by gas chromatography with mass spectrometry (GC/MS). The pesticide residues determined were 2,4-dichlorodiphenyldichloroethylene (2,4-DDE); 2,4-dichlorodiphenyldichloroethane (2,4-DDD); 4,4-dichlorodiphenyldichloroethylene (4,4-DDE); 2,4-dichlorodiphenyltrichloroethane (2,4-DDT); 4,4-dichlorodiphenyltrichloroethane (4,4-DDT); 4,4-dichlorodiphenyldichloroethane (4,4-DDD); -endosulfan; endosulfan-sulfate; dieldrin; aldrin; ethion; chlorpyrifos; -endosulfan; malathion; methyl-parathion; -hexachlorocyclohexane (-HCH); -HCH; -HCH; and -HCH. Blind fortification solutions containing 4 different levels of pesticide residues (0, 0.1, 0.5, and 1.0 g/L) were provided to 8 collaborating laboratories who used them to create test samples in 6 matrixes (also provided): 2 colas, a diet cola, a clear lemon-lime soft drink, an orange soft drink, and a sports drink. Reproducibility (RSDR) for all 19 pesticide residues in all matrixes ranged from 7 to 151 at the 0.1 g/L level, 11 to 121 at 0.5 g/L, and 14 to 67 at 1.0 g/L. Repeatability (RSDr), applicable to the diet cola and the sports drink, ranged from 1 to 76 for the 19 pesticide residues at the 0.1 g/L level, 9 to 38 at 0.5 g/L, and 9 to 38 at 1.0 g/L. Recoveries for the 19 pesticide residues in allmatrixes ranged from 77 to 645 at the 0.1 g/L level, 60 to 231 at 0.5 g/L, and 61 to 146 at 1.0 g/L. It is recommended that the method be accepted by AOAC as Official First Action with a limit of quantification (LOQ) equal to 0.5 g/L for 4,4-DDT; 2,4-DDT; 2,4-DDD; 4,4-DDE; 4,4-DDD; 2,4-DDE; aldrin; dieldrin; -endosulfan; endosulfan-sulfate; chlorpyrifos; and ethion, and an LOQ equal to 1.0 g/L for -endosulfan; -HCH; -HCH; -HCH; -HCH; methyl-parathion; and malathion.
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Affiliation(s)
| | - Paul Milne
- PepsiCo Inc, 100 Stevens Ave, Valhalla, NY 10595
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Roman MC, Gray D, Luo G, McClanahan R, Perez R, Roper C, Roscoe V, Shevchuk C, Suen E, Sullivan D, Walther HJ. Determination of Ephedrine Alkaloids in Botanicals and Dietary Supplements by HPLC-UV: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/87.1.1] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
An international collaborative study was conducted of a high-performance liquid chromatography (HPLC)-UV method for the determination of the major (ephedrine [EP] and pseudoephedrine [PS]) and minor (norephedrine [NE], norpseudoephedrine [NP], methylephedrine [ME], and methylpseudoephedrine [MP]) alkaloids in selected dietary supplements representative of the commercially available products. Ten collaborating laboratories determined the ephedrine-type alkaloid content in 8 blind replicate samples. Five products contained ephedra ground herb or ephedra extract. These 5 products included ground botanical raw material of Ephedra sinica, a common powdered extract of Ephedra sinica, a finished product containing only Ephedra sinica ground botanical raw material, a complex multicomponent dietary supplement containing Ma Huang, and a high-protein chocolate flavored drink mix containing Ma Huang extract. In addition, collaborating laboratories received a negative control and negative control spiked with ephedrine alkaloids at high and low levels for recovery studies. Test extracts were treated to solid-phase extraction using a strong-cation exchange column to help remove interferences. The HPLC analyses were performed on a polar-embedded phenyl column using UV detection at 210 nm. Repeatability relative standard deviations (RSD r) ranged from 0.64–3.0% for EP and 2.0–6.6% for PS, excluding the high protein drink mix. Reproducibility relative standard deviations (RSD R) ranged from 2.1–6.6% for EP and 9.0–11.4% for PS, excluding the high protein drink mix. Recoveries ranged from 84.7–87.2% for EP and 84.6–98.2% for PS. The data developed for the minor alkaloids are more variable with generally unsatisfactory HORRATS (i.e., >2). However, since these alkaloids generally add little to the total alkaloid content of the products, the method gives satisfactory results in measuring total alkaloid content (RSD r 0.85–3.13%; RSDR 2.03–10.97%, HORRAT 0.69–3.23, exclusive of the results from the high protein drink). On the basis of these results, the method is recommended for Official First Action for determination of EP and PS in dietary supplements exclusive of the high protein drinks.
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Affiliation(s)
- Mark C Roman
- ChromaDex, 13161 56th Ct, Suite 201, Clearwater, FL 33760
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Trujillo WA, Sorenson WR, Gray D, Laurensen J, Luo G, McClanahan R, Perez R, Roper C, Kotello S, Shevchuk C, Suen E, Sullivan D. Determination of Ephedrine Alkaloids in Human Urine and Plasma by Liquid Chromatography/Tandem Mass Spectrometry: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/86.4.643] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
A collaborative study was conducted to evaluate the accuracy and precision of a method for ephedrine-type alkaloids (i.e., norephedrine, norpseudoephedrine, ephedrine, pseudoephedrine, methylephedrine, and methylpseudoephedrine) in human urine and plasma. The amount of ephedrine-type alkaloids present was determined using liquid chromatography (LC) with tandem mass selective detection. The test samples were diluted to reflect a concentration of 5.00–100 ng/mL for each alkaloid. An internal standard was added and the alkaloids were separated using a 5 μm phenyl LC column with an ammonium acetate, glacial acetic acid, acetonitrile, and water mobile phase. Eight blind duplicates of human urine and eight blind duplicates of human plasma were analyzed by 10 collaborators. In addition to negative controls, test portions of urine and plasma were fortified at 3 different levels with each of the 6 ephedrine-type alkaloids at approximately 1, 2, and 5 μg/mL for urine and 100, 200, and 500 ng/mL for plasma. On the basis of the accuracy and precision results for this collaborative study, it is recommended that this method be adopted Official First Action for the determination of 6 different ephedrine-type alkaloids in human urine and plasma.
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Trujillo WA, Sorenson WR, Laurensen J, Luo G, McClanahan R, Perez R, Roper C, Kotello S, Schwind B, Shevchuk C, Suen E, Sullivan D. Determination of Ephedrine Alkaloids in Dietary Supplements and Botanicals by Liquid Chromatography/Tandem Mass Spectrometry: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/86.4.657] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
An interlaboratory study was conducted to evaluate the accuracy and precision of a method for ephedrine-type alkaloids [i.e., norephedrine (NE), norpseudoephedrine (NPE), ephedrine (E), pseudoephedrine (PE), methylephedrine (ME), and methylpseudoephedrine (MPE)] in dietary supplements and botanicals. The amount of ephedrine-type alkaloids present was determined using liquid chromatography with tandem mass selective detection. The samples were diluted to reflect a concentration of 0.0200 to 1.00 μg/mL for each alkaloid. An internal standard was added and the alkaloids were separated using a 5 μm phenyl LC column with an ammonium acetate, glacial acetic acid, acetonitrile, and water mobile phase. Eight blind duplicates of dietary supplements or botanicals were analyzed by 10 collaborators. Included was a negative control, ephedra nevadensis, and negative controls fortified at 2 different levels with each of the 6 ephedrine-type alkaloids. The spike levels were approximately 100 and 1000 μg/g for NE, 100 and 600 μg/g for NPE, 6500 and 65 000 μg/g for E, 1000 and 10 000 μg/g for PE, 300 and 3000 μg/g for ME, and 100 and 1000 μg/g for MPE. On the basis of the accuracy and precision results for this interlaboratory study, it is recommended that this method be adopted Official First Action for the determination of 6 different individual ephedrine-type alkaloids in dietary supplements and botanicals.
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Van Spall HGC, Lee SF, Averbuch T, Erbas Oz U, Perez R, Ko DT, Connolly SJ. P6351A point-of-care risk score predicts 30-day readmission in patients hospitalized with heart failure (HF): derivation and validation of the LENT index. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Risk prediction models in heart failure (HF) are typically complex, derived retrospectively from administrative databases, and modest in their ability to discriminate between high, medium, and low risk categories. The complexity of these models makes them difficult to use at the point of care.
Purpose
To determine if a simple risk index using Length of hospital stay (L), number of Emergency department visits in the preceding 6 months (E), and either admission or discharge N-Terminal (NT) prohormone of Brain Natriuretic Peptide (pro-BNP) at the point of care can predict 30-day readmissions in patients hospitalized for HF.
Methods
This is a sub-study of the Patient-Centered Care Transitions in HF (PACT-HF) stepped-wedge cluster randomized trial. We included 772 patients hospitalized for HF at 10 Canadian hospitals. We used log-binomial regression models with Length of stay, Emergency department visits in the preceding 6 months, and either admission or discharge N-Terminal prohormone of Brain Natriuretic Peptide (NT-pro-BNP) as the predictor variables and 30-day all-cause readmission as the outcome. We derived the LENT risk score from the β-coefficients of the regression model (Fig. 1). All the models were adjusted for post-discharge services. We assessed model discrimination with C-statistics and model calibration with the net reclassification index (NRI). We used the bootstrapping approach with 100 runs for internal validation.
Results
The LENT index had a possible score ranging from 1 to 13 (Fig 1). Increments in the LENT risk score were associated with an increased risk of 30-day readmission; a 1-point increase in the LENT index using the admission and discharge NT-pro-BNP predicted a 23% and 19% increase in 30-day readmission risk, respectively. The internal validation produced similar results. Compared to a null model, the LE index had an NRI of 0.35 [95% CI 0.18, 0.53], and admission and discharge NT-pro-BNP further improved calibration of the LE index (NRI 0.15 [95% CI 0, 0.32] and 0.20 [95% CI 0.03, 0.37], respectively). The LENT index offered modest discrimination for 30-day readmission (C-statistic 0.64 [95% CI 0.59, 0.69]), similar to more complex risk models.
Figure 1. The LENT index scoring system
Conclusion
A simple risk index based on Length of stay, Emergent visits, and NT-pro-BNP at the point of care can reliably predict 30-day readmissions. The LENT index offers ease of use over traditional risk prediction models.
Acknowledgement/Funding
Canadian Institutes of Health Research, Ontario MOHLTC, Roche Diagnostics
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Affiliation(s)
- H G C Van Spall
- Population Health Research Institute, McMaster University, Hamilton, Canada
| | - S F Lee
- Population Health Research Institute, McMaster University, Hamilton, Canada
| | | | - U Erbas Oz
- Institute for Clinical Evaluative Sciences, Hamilton, Canada
| | - R Perez
- Institute for Clinical Evaluative Sciences, Hamilton, Canada
| | - D T Ko
- Institute for Clinical Evaluative Sciences, Toronto, Canada
| | - S J Connolly
- Population Health Research Institute, McMaster University, Hamilton, Canada
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Peix A, Perez A, Padron K, Pena Y, Bencomo LL, Martinez A, Cabrera LO, Perez R, Oro C. P566Chagas cardiomyopathy: what CMR can reveal. Eur Heart J Cardiovasc Imaging 2019. [DOI: 10.1093/ehjci/jez108.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- A Peix
- Institute of Cardiology, Havana, Cuba
| | - A Perez
- Institute of Cardiology, Havana, Cuba
| | - K Padron
- Institute of Cardiology, Havana, Cuba
| | - Y Pena
- Institute of Cardiology, Havana, Cuba
| | | | | | | | - R Perez
- Institute of Cardiology, Havana, Cuba
| | - C Oro
- Institute of Cardiology, Havana, Cuba
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Yehezkely MK, Grinblat G, Dor MG, Chordekar S, Perez R, Adelman C, Sohmer H. Implications for Bone Conduction Mechanisms from Thresholds of Post Radical Mastoidectomy and Subtotal Petrosectomy Patients. J Int Adv Otol 2019; 15:8-11. [PMID: 31058593 DOI: 10.5152/iao.2019.6268] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES To assess bone conduction (BC) thresholds following radical mastoidectomy and subtotal petrosectomy, in which the tympanic membrane and the ossicular chain, responsible for osseous BC mechanisms, are surgically removed. The removal of the tympanic membrane and the ossicular chain would reduce the contributions to BC threshold of the following four osseous BC mechanisms: the occlusion effect of the external ear, middle ear ossicular chain inertia, inner ear fluid inertia, and distortion (compression-expansion) of the walls of the inner ear. MATERIALS AND METHODS BC thresholds were determined in 64 patients who underwent radical mastoidectomy and in 248 patients who underwent subtotal petrosectomy. RESULTS BC thresholds were normal (≤15 dB HL, i.e., better) in 19 (30%) radical mastoidectomy patients and in 19 (8%) subtotal petrosectomy patients at each of the frequencies assessed (0.5, 1.0, 2.0, and 4.0 kHz). CONCLUSION Normal BC thresholds seen in many patients following mastoidectomy and petrosectomy may be induced by a non-osseous mechanism, and the onset ("threshold") of the classical osseous BC mechanisms may be somewhat higher.
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Affiliation(s)
- Michal Kaufmann Yehezkely
- Department of Otorhinolaryngology, Head and Neck Surgery, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Golda Grinblat
- Department of Otology and Skull Base Surgery, Gruppo Otologico, Piacenza, Rome, Italy
| | - Miriam Geal Dor
- Speech and Hearing Center, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Shai Chordekar
- Department of Communication Disorders, Sackler School of Medicine, Tel Aviv, Israel
| | - Ronen Perez
- Department of Otolaryngology, Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Cahtia Adelman
- Speech and Hearing Center, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Haim Sohmer
- Department of Medical Neurobiology (Physiology), Hebrew University-Hadassah School of Medicine, Jerusalem, Israel
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Martínez S, Lasa EM, Joral A, Infante S, Perez R, Ibáñez MD. Recommendations for the Use of Propofol in Egg-Allergic Patients. J Investig Allergol Clin Immunol 2019; 29:72-74. [DOI: 10.18176/jiaci.0337] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Goebel A, Barker C, Birklein F, Brunner F, Casale R, Eccleston C, Eisenberg E, McCabe CS, Moseley GL, Perez R, Perrot S, Terkelsen A, Thomassen I, Zyluk A, Wells C. Standards for the diagnosis and management of complex regional pain syndrome: Results of a European Pain Federation task force. Eur J Pain 2019; 23:641-651. [PMID: 30620109 PMCID: PMC6593444 DOI: 10.1002/ejp.1362] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 01/03/2019] [Accepted: 01/04/2019] [Indexed: 11/25/2022]
Abstract
Background Complex regional pain syndrome is a painful and disabling post‐traumatic primary pain disorder. Acute and chronic complex regional pain syndrome (CRPS) are major clinical challenges. In Europe, progress is hampered by significant heterogeneity in clinical practice. We sought to establish standards for the diagnosis and management of CRPS. Methods The European Pain Federation established a pan‐European task force of experts in CRPS who followed a four‐stage consensus challenge process to produce mandatory quality standards worded as grammatically imperative (must‐do) statements. Results We developed 17 standards in 8 areas of care. There are 2 standards in diagnosis, 1 in multidisciplinary care, 1 in assessment, 3 for care pathways, 1 in information and education, 4 in pain management, 3 in physical rehabilitation and 2 on distress management. The standards are presented and summarized, and their generation and consequences were discussed. Also presented are domains of practice for which no agreement on a standard could be reached. Areas of research needed to improve the validity and uptake of these standards are discussed. Conclusion The European Pain Federation task force present 17 standards of the diagnosis and management of CRPS for use in Europe. These are considered achievable for most countries and aspirational for a minority of countries depending on their healthcare resource and structures. Significance This position statement summarizes expert opinion on acceptable standards for CRPS care in Europe.
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Affiliation(s)
- Andreas Goebel
- Walton Centre NHS Foundation Trust, Liverpool, UK.,Pain Research Institute, University of Liverpool, Liverpool, UK
| | - Chris Barker
- Walton Centre NHS Foundation Trust, Liverpool, UK.,Pain Research Institute, University of Liverpool, Liverpool, UK
| | - Frank Birklein
- Department of Neurology, University of Mainz, Mainz, Germany
| | - Florian Brunner
- Physical Medicine and Rheumatology, Balgrist University Hospital, Zurich, Switzerland
| | - Roberto Casale
- Pain Rehabilitation Unit, Habilita Hospitals, Zingonia di Ciserano, Italy
| | - Chris Eccleston
- Centre for Pain Research, The University of Bath, Bath, Uk.,Department of Clinical and Health Psychology, Ghent University, Ghent, Belgium.,European Pain Federation, Brussels, Belgium
| | - E Eisenberg
- Rambam Health Care Campus, Institute of Pain Medicine, Haifa, Israel
| | - Candy S McCabe
- Florence Nightingale Foundation Clinical Professor of Nursing, University of West of England, Bristol & Royal United Hospitals NHS Foundation Trust, Bath, UK
| | | | - R Perez
- Department of Anaesthesiology, VU University Medical Center, Amsterdam, Netherlands
| | - Serge Perrot
- Pain Center, Cochin Hospital, Paris Descartes University, Paris, France
| | - Astrid Terkelsen
- Danish Pain Research Center and Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
| | | | - Andrzey Zyluk
- Department of General and Hand Surgery, Pomeranian Medical University, Szczecin, Poland
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Lognonné P, Banerdt WB, Giardini D, Pike WT, Christensen U, Laudet P, de Raucourt S, Zweifel P, Calcutt S, Bierwirth M, Hurst KJ, Ijpelaan F, Umland JW, Llorca-Cejudo R, Larson SA, Garcia RF, Kedar S, Knapmeyer-Endrun B, Mimoun D, Mocquet A, Panning MP, Weber RC, Sylvestre-Baron A, Pont G, Verdier N, Kerjean L, Facto LJ, Gharakanian V, Feldman JE, Hoffman TL, Klein DB, Klein K, Onufer NP, Paredes-Garcia J, Petkov MP, Willis JR, Smrekar SE, Drilleau M, Gabsi T, Nebut T, Robert O, Tillier S, Moreau C, Parise M, Aveni G, Ben Charef S, Bennour Y, Camus T, Dandonneau PA, Desfoux C, Lecomte B, Pot O, Revuz P, Mance D, tenPierick J, Bowles NE, Charalambous C, Delahunty AK, Hurley J, Irshad R, Liu H, Mukherjee AG, Standley IM, Stott AE, Temple J, Warren T, Eberhardt M, Kramer A, Kühne W, Miettinen EP, Monecke M, Aicardi C, André M, Baroukh J, Borrien A, Bouisset A, Boutte P, Brethomé K, Brysbaert C, Carlier T, Deleuze M, Desmarres JM, Dilhan D, Doucet C, Faye D, Faye-Refalo N, Gonzalez R, Imbert C, Larigauderie C, Locatelli E, Luno L, Meyer JR, Mialhe F, Mouret JM, Nonon M, Pahn Y, Paillet A, Pasquier P, Perez G, Perez R, Perrin L, Pouilloux B, Rosak A, Savin de Larclause I, Sicre J, Sodki M, Toulemont N, Vella B, Yana C, Alibay F, Avalos OM, Balzer MA, Bhandari P, Blanco E, Bone BD, Bousman JC, Bruneau P, Calef FJ, Calvet RJ, D’Agostino SA, de los Santos G, Deen RG, Denise RW, Ervin J, Ferraro NW, Gengl HE, Grinblat F, Hernandez D, Hetzel M, Johnson ME, Khachikyan L, Lin JY, Madzunkov SM, Marshall SL, Mikellides IG, Miller EA, Raff W, Singer JE, Sunday CM, Villalvazo JF, Wallace MC, Banfield D, Rodriguez-Manfredi JA, Russell CT, Trebi-Ollennu A, Maki JN, Beucler E, Böse M, Bonjour C, Berenguer JL, Ceylan S, Clinton J, Conejero V, Daubar I, Dehant V, Delage P, Euchner F, Estève I, Fayon L, Ferraioli L, Johnson CL, Gagnepain-Beyneix J, Golombek M, Khan A, Kawamura T, Kenda B, Labrot P, Murdoch N, Pardo C, Perrin C, Pou L, Sauron A, Savoie D, Stähler S, Stutzmann E, Teanby NA, Tromp J, van Driel M, Wieczorek M, Widmer-Schnidrig R, Wookey J. SEIS: Insight's Seismic Experiment for Internal Structure of Mars. Space Sci Rev 2019; 215:12. [PMID: 30880848 PMCID: PMC6394762 DOI: 10.1007/s11214-018-0574-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 12/29/2018] [Indexed: 05/23/2023]
Abstract
UNLABELLED By the end of 2018, 42 years after the landing of the two Viking seismometers on Mars, InSight will deploy onto Mars' surface the SEIS (Seismic Experiment for Internal Structure) instrument; a six-axes seismometer equipped with both a long-period three-axes Very Broad Band (VBB) instrument and a three-axes short-period (SP) instrument. These six sensors will cover a broad range of the seismic bandwidth, from 0.01 Hz to 50 Hz, with possible extension to longer periods. Data will be transmitted in the form of three continuous VBB components at 2 sample per second (sps), an estimation of the short period energy content from the SP at 1 sps and a continuous compound VBB/SP vertical axis at 10 sps. The continuous streams will be augmented by requested event data with sample rates from 20 to 100 sps. SEIS will improve upon the existing resolution of Viking's Mars seismic monitoring by a factor of ∼ 2500 at 1 Hz and ∼ 200 000 at 0.1 Hz. An additional major improvement is that, contrary to Viking, the seismometers will be deployed via a robotic arm directly onto Mars' surface and will be protected against temperature and wind by highly efficient thermal and wind shielding. Based on existing knowledge of Mars, it is reasonable to infer a moment magnitude detection threshold of M w ∼ 3 at 40 ∘ epicentral distance and a potential to detect several tens of quakes and about five impacts per year. In this paper, we first describe the science goals of the experiment and the rationale used to define its requirements. We then provide a detailed description of the hardware, from the sensors to the deployment system and associated performance, including transfer functions of the seismic sensors and temperature sensors. We conclude by describing the experiment ground segment, including data processing services, outreach and education networks and provide a description of the format to be used for future data distribution. ELECTRONIC SUPPLEMENTARY MATERIAL The online version of this article (10.1007/s11214-018-0574-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- P. Lognonné
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - W. B. Banerdt
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - D. Giardini
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - W. T. Pike
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
| | - U. Christensen
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - P. Laudet
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - S. de Raucourt
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - P. Zweifel
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - S. Calcutt
- Atmospheric, Oceanic, & Planetary Physics, University of Oxford, Parks Road, Oxford, OX1 3PU UK
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU UK
| | - M. Bierwirth
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - K. J. Hurst
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - F. Ijpelaan
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - J. W. Umland
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - R. Llorca-Cejudo
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - S. A. Larson
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - R. F. Garcia
- ISAE-SUPAERO, Toulouse University, 10 Avenue E. Belin, 31400 Toulouse, France
| | - S. Kedar
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - B. Knapmeyer-Endrun
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - D. Mimoun
- ISAE-SUPAERO, Toulouse University, 10 Avenue E. Belin, 31400 Toulouse, France
| | - A. Mocquet
- LPG Nantes, UMR6112, CNRS-Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322 Nantes cedex 3, France
| | - M. P. Panning
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - R. C. Weber
- NASA Marshall Space Flight Center, 320 Sparkman Drive, Huntsville, AL 35805 USA
| | - A. Sylvestre-Baron
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - G. Pont
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - N. Verdier
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - L. Kerjean
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - L. J. Facto
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - V. Gharakanian
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. E. Feldman
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - T. L. Hoffman
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - D. B. Klein
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - K. Klein
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - N. P. Onufer
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. Paredes-Garcia
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - M. P. Petkov
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. R. Willis
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - S. E. Smrekar
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - M. Drilleau
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - T. Gabsi
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - T. Nebut
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - O. Robert
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - S. Tillier
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - C. Moreau
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - M. Parise
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - G. Aveni
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - S. Ben Charef
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - Y. Bennour
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - T. Camus
- Institut de Recherche en Astrophysique et Planétologie, UMR5277 CNRS - Université Toulouse III Paul Sabatier, 14, avenue Edouard Belin, 31400 Toulouse, France
| | - P. A. Dandonneau
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - C. Desfoux
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - B. Lecomte
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
- Present Address: Institut d’Astrophysique Spatiale, Université Paris-Sud, Bâtiment 121, 91405 Orsay Cedex, France
| | - O. Pot
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
- Present Address: Laboratoire de Mécanique et d’Acoustique, LMA - UMR 7031 AMU - CNRS - Centrale Marseille, 4 impasse Nikola Tesla, CS 40006, 13453 Marseille Cedex 13, France
| | - P. Revuz
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - D. Mance
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - J. tenPierick
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - N. E. Bowles
- Atmospheric, Oceanic, & Planetary Physics, University of Oxford, Parks Road, Oxford, OX1 3PU UK
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU UK
| | - C. Charalambous
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
| | - A. K. Delahunty
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
- Present Address: Advanced Technology and Research, Arup, 13 Fitzroy Street, London, W1T 4BQ UK
| | - J. Hurley
- Atmospheric, Oceanic, & Planetary Physics, University of Oxford, Parks Road, Oxford, OX1 3PU UK
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU UK
- RAL Space, STFC Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, OX11 0QX UK
| | - R. Irshad
- RAL Space, STFC Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, OX11 0QX UK
| | - Huafeng Liu
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
- Present Address: Center for Gravitational Experiments, Huazhong University of Science and Technology, 1037 Luoyu Rd, Wuhan, 430074 P.R. China
| | - A. G. Mukherjee
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
| | | | - A. E. Stott
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
| | - J. Temple
- Atmospheric, Oceanic, & Planetary Physics, University of Oxford, Parks Road, Oxford, OX1 3PU UK
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU UK
| | - T. Warren
- Atmospheric, Oceanic, & Planetary Physics, University of Oxford, Parks Road, Oxford, OX1 3PU UK
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU UK
| | - M. Eberhardt
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - A. Kramer
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - W. Kühne
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - E.-P. Miettinen
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - M. Monecke
- Department of Planets and Comets, Max Planck Institute for Solar System Research, Göttingen, Germany
| | - C. Aicardi
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - M. André
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - J. Baroukh
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - A. Borrien
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - A. Bouisset
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - P. Boutte
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - K. Brethomé
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - C. Brysbaert
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - T. Carlier
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - M. Deleuze
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - J. M. Desmarres
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - D. Dilhan
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - C. Doucet
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - D. Faye
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - N. Faye-Refalo
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - R. Gonzalez
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - C. Imbert
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - C. Larigauderie
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - E. Locatelli
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - L. Luno
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - J.-R. Meyer
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - F. Mialhe
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - J. M. Mouret
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - M. Nonon
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - Y. Pahn
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - A. Paillet
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - P. Pasquier
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - G. Perez
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - R. Perez
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - L. Perrin
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - B. Pouilloux
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - A. Rosak
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - I. Savin de Larclause
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - J. Sicre
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - M. Sodki
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - N. Toulemont
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - B. Vella
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - C. Yana
- Centre National d’Etudes Spatiales, 18 av. Edouard Belin, 31401 Toulouse Cedex 9, France
| | - F. Alibay
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - O. M. Avalos
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - M. A. Balzer
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - P. Bhandari
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - E. Blanco
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - B. D. Bone
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. C. Bousman
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - P. Bruneau
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - F. J. Calef
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - R. J. Calvet
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - S. A. D’Agostino
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - G. de los Santos
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - R. G. Deen
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - R. W. Denise
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. Ervin
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - N. W. Ferraro
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - H. E. Gengl
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - F. Grinblat
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - D. Hernandez
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - M. Hetzel
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - M. E. Johnson
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - L. Khachikyan
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. Y. Lin
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - S. M. Madzunkov
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - S. L. Marshall
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - I. G. Mikellides
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - E. A. Miller
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - W. Raff
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. E. Singer
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - C. M. Sunday
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. F. Villalvazo
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - M. C. Wallace
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - D. Banfield
- Cornell Center for Astrophysics and Planetary Science, Cornell University, Ithaca, NY USA
| | | | - C. T. Russell
- Earth, Planetary and Space Sciences, University of California, Los Angeles, Los Angeles, USA
| | - A. Trebi-Ollennu
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - J. N. Maki
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - E. Beucler
- LPG Nantes, UMR6112, CNRS-Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322 Nantes cedex 3, France
| | - M. Böse
- Swiss Seismological Service, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - C. Bonjour
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - J. L. Berenguer
- Geoazur, University Cote d’Azur, 250 rue Einstein, 06560 Valbonne, France
| | - S. Ceylan
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - J. Clinton
- Swiss Seismological Service, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - V. Conejero
- Département de Sismologie, Institut de Physique du Globe de Paris-Sorbonne Paris Cité, UMR 7154 CNRS - Université Paris Diderot, 1 Rue Jussieu, Paris Cedex, 75238 France
| | - I. Daubar
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - V. Dehant
- Royal Observatory of Belgium, 3 avenue Circulaire, 1180 Brussels, Belgium
| | - P. Delage
- Laboratoire Navier (CERMES), Ecole des Ponts ParisTech, Marne la Vallée, France
| | - F. Euchner
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - I. Estève
- Institut de Minéralogie et de Physique des Matériaux et de Cosmochimie, Case courrier 115, 4 Place Jussieu, 75252 Paris Cedex 05, France
| | - L. Fayon
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - L. Ferraioli
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - C. L. Johnson
- University of British Columbia, Vancouver, BC Canada
- Planetary Science Institute, Tucson, AZ USA
| | - J. Gagnepain-Beyneix
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - M. Golombek
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 USA
| | - A. Khan
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - T. Kawamura
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - B. Kenda
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - P. Labrot
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - N. Murdoch
- ISAE-SUPAERO, Toulouse University, 10 Avenue E. Belin, 31400 Toulouse, France
| | - C. Pardo
- Département de Sismologie, Institut de Physique du Globe de Paris-Sorbonne Paris Cité, UMR 7154 CNRS - Université Paris Diderot, 1 Rue Jussieu, Paris Cedex, 75238 France
| | - C. Perrin
- Institut de Physique du Globe de Paris-Sorbonne Paris Cité, Université Paris Diderot (UMR 7154 CNRS), Planetology et Space Science Team, 35 Rue Hélène Brion, Paris, 75013 France
| | - L. Pou
- ISAE-SUPAERO, Toulouse University, 10 Avenue E. Belin, 31400 Toulouse, France
| | - A. Sauron
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - D. Savoie
- SYRTE, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE, 61 avenue de l’Observatoire, 75014 Paris, France
| | - S. Stähler
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - E. Stutzmann
- Département de Sismologie, Institut de Physique du Globe de Paris-Sorbonne Paris Cité, UMR 7154 CNRS - Université Paris Diderot, 1 Rue Jussieu, Paris Cedex, 75238 France
| | - N. A. Teanby
- School of Earth Sciences, University of Bristol, Wills Memorial Building, Queens Road, Bristol, BS8 1RJ UK
| | - J. Tromp
- Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544 USA
| | - M. van Driel
- Institut of Geophysics, ETHZ, Sonneggstrasse 5, 8092 Zurich, Switzerland
| | - M. Wieczorek
- Observatoire de la Côte d’Azur, Boulevard de l’Observatoire, CS 34229, 06304 Nice Cedex 4, France
| | - R. Widmer-Schnidrig
- Black Forest Observatory, Karlsruhe Institute of Technology and Stuttgart University, Heubach 206, 77709 Wolfach, Germany
| | - J. Wookey
- School of Earth Sciences, University of Bristol, Wills Memorial Building, Queens Road, Bristol, BS8 1RJ UK
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Santos CB, Simões‐Carvalho M, Perez R, Vieira VTL, Antunes HS, Cavalcante DF, De‐Deus G, Silva EJNL. Torsional fatigue resistance of R‐Pilot and WaveOne Gold Glider NiTi glide path reciprocating systems. Int Endod J 2019; 52:874-879. [DOI: 10.1111/iej.13068] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 12/21/2018] [Indexed: 11/30/2022]
Affiliation(s)
- C. B. Santos
- Department of Endodontics Fluminense Federal University (UFF) NiteróiBrazil
| | - M. Simões‐Carvalho
- Department of Endodontics Fluminense Federal University (UFF) NiteróiBrazil
| | - R. Perez
- Department of Endodontics Fluminense Federal University (UFF) NiteróiBrazil
| | - V. T. L. Vieira
- Department of Endodontics School of Dentistry Grande Rio University (UNIGRANRIO) Rio de Janeiro Brazil
| | - H. S. Antunes
- Department of Endodontics School of Dentistry Grande Rio University (UNIGRANRIO) Rio de Janeiro Brazil
| | - D. F. Cavalcante
- Department of Endodontics Fluminense Federal University (UFF) NiteróiBrazil
| | - G. De‐Deus
- Department of Endodontics Fluminense Federal University (UFF) NiteróiBrazil
| | - E. J. N. L. Silva
- Department of Endodontics Fluminense Federal University (UFF) NiteróiBrazil
- Department of Endodontics School of Dentistry Grande Rio University (UNIGRANRIO) Rio de Janeiro Brazil
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Hyde J, Kiggundu R, Perez R. KNOWLEDGE, SKILLS AND INTERPERSONAL CAPABILITIES OF HIGHLY EFFECTIVE DIRECT CARE WORKERS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- J Hyde
- Gerontology Institute University of Massachusetts - Boston, Boston, Massachusetts, United States
| | - R Kiggundu
- Gerontology Institute, University of Massachusetts Boston, Boston, Massachusetts, USA
| | - R Perez
- Ivy Hall Senior Living, Boston, Massachusetts, USA
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Gomila A, Carratalà J, Badia JM, Camprubí D, Piriz M, Shaw E, Diaz-Brito V, Espejo E, Nicolás C, Brugués M, Perez R, Lérida A, Castro A, Biondo S, Fraccalvieri D, Limón E, Gudiol F, Pujol M. Preoperative oral antibiotic prophylaxis reduces Pseudomonas aeruginosa surgical site infections after elective colorectal surgery: a multicenter prospective cohort study. BMC Infect Dis 2018; 18:507. [PMID: 30290773 PMCID: PMC6173907 DOI: 10.1186/s12879-018-3413-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 09/25/2018] [Indexed: 12/15/2022] Open
Abstract
Background Healthcare-associated infections caused by Pseudomonas aeruginosa are associated with poor outcomes. However, the role of P. aeruginosa in surgical site infections after colorectal surgery has not been evaluated. The aim of this study was to determine the predictive factors and outcomes of surgical site infections caused by P. aeruginosa after colorectal surgery, with special emphasis on the role of preoperative oral antibiotic prophylaxis. Methods We conducted an observational, multicenter, prospective cohort study of all patients undergoing elective colorectal surgery at 10 Spanish hospitals (2011–2014). A logistic regression model was used to identify predictive factors for P. aeruginosa surgical site infections. Results Out of 3701 patients, 669 (18.1%) developed surgical site infections, and 62 (9.3%) of these were due to P. aeruginosa. The following factors were found to differentiate between P. aeruginosa surgical site infections and those caused by other microorganisms: American Society of Anesthesiologists’ score III–IV (67.7% vs 45.5%, p = 0.001, odds ratio (OR) 2.5, 95% confidence interval (95% CI) 1.44–4.39), National Nosocomial Infections Surveillance risk index 1–2 (74.2% vs 44.2%, p < 0.001, OR 3.6, 95% CI 2.01–6.56), duration of surgery ≥75thpercentile (61.3% vs 41.4%, p = 0.003, OR 2.2, 95% CI 1.31–3.83) and oral antibiotic prophylaxis (17.7% vs 33.6%, p = 0.01, OR 0.4, 95% CI 0.21–0.83). Patients with P. aeruginosa surgical site infections were administered antibiotic treatment for a longer duration (median 17 days [interquartile range (IQR) 10–24] vs 13d [IQR 8–20], p = 0.015, OR 1.1, 95% CI 1.00–1.12), had a higher treatment failure rate (30.6% vs 20.8%, p = 0.07, OR 1.7, 95% CI 0.96–2.99), and longer hospitalization (median 22 days [IQR 15–42] vs 19d [IQR 12–28], p = 0.02, OR 1.1, 95% CI 1.00–1.17) than those with surgical site infections due to other microorganisms. Independent predictive factors associated with P. aeruginosa surgical site infections were the National Nosocomial Infections Surveillance risk index 1–2 (OR 2.3, 95% CI 1.03–5.40) and the use of oral antibiotic prophylaxis (OR 0.4, 95% CI 0.23–0.90). Conclusions We observed that surgical site infections due to P. aeruginosa are associated with a higher National Nosocomial Infections Surveillance risk index, poor outcomes, and lack of preoperative oral antibiotic prophylaxis. These findings can aid in establishing specific preventive measures and appropriate empirical antibiotic treatment.
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Affiliation(s)
- A Gomila
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Feixa Llarga s/n, 08907 L'Hospitalet de Llobregat, Barcelona, Spain. .,VINCat Program, Barcelona, Spain.
| | - J Carratalà
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Feixa Llarga s/n, 08907 L'Hospitalet de Llobregat, Barcelona, Spain.,VINCat Program, Barcelona, Spain.,University of Barcelona, Barcelona, Spain
| | - J M Badia
- VINCat Program, Barcelona, Spain.,Department of General Surgery, Hospital General de Granollers, Barcelona, Spain.,Universitat Internacional de Catalunya, Barcelona, Spain
| | - D Camprubí
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Feixa Llarga s/n, 08907 L'Hospitalet de Llobregat, Barcelona, Spain.,VINCat Program, Barcelona, Spain
| | - M Piriz
- VINCat Program, Barcelona, Spain.,Department of Infectious Diseases, Corporació Sanitària Parc Taulí, Barcelona, Spain
| | - E Shaw
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Feixa Llarga s/n, 08907 L'Hospitalet de Llobregat, Barcelona, Spain.,VINCat Program, Barcelona, Spain
| | - V Diaz-Brito
- VINCat Program, Barcelona, Spain.,Department of Infectious Diseases, Parc Sanitari Sant Joan de Déu, Barcelona, Spain
| | - E Espejo
- VINCat Program, Barcelona, Spain.,Department of Infectious Diseases, Consorci Sanitari de Terrassa, Barcelona, Spain
| | - C Nicolás
- VINCat Program, Barcelona, Spain.,Department of Infectious Diseases, Hospital Universitari Mútua de Terrassa, Barcelona, Spain
| | - M Brugués
- VINCat Program, Barcelona, Spain.,Department of Internal Medicine, Consorci Sanitari de l'Anoia, Barcelona, Spain
| | - R Perez
- VINCat Program, Barcelona, Spain.,Department of Internal Medicine, Fundació Althaia, Barcelona, Spain
| | - A Lérida
- VINCat Program, Barcelona, Spain.,Department of Internal Medicine, Hospital de Viladecans, Barcelona, Spain
| | - A Castro
- VINCat Program, Barcelona, Spain.,Department of Internal Medicine, Hospital Universitari Sant Joan de Reus, Tarragona, Spain
| | - S Biondo
- VINCat Program, Barcelona, Spain.,Department of General Surgery, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - D Fraccalvieri
- VINCat Program, Barcelona, Spain.,Department of General Surgery, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - E Limón
- VINCat Program, Barcelona, Spain.,University of Barcelona, Barcelona, Spain
| | - F Gudiol
- VINCat Program, Barcelona, Spain.,University of Barcelona, Barcelona, Spain
| | - M Pujol
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Feixa Llarga s/n, 08907 L'Hospitalet de Llobregat, Barcelona, Spain.,VINCat Program, Barcelona, Spain
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Van Spall H, Lee S, Averbuch T, Erbas Oz U, Perez R, Maingi M, Heffernan M, Mitoff P, Tjandrawidjaja M, Zia M, Simek K, Porepa L, Panju M, Ko D, Connolly S. A SIMPLE, POINT-OF-CARE RISK PREDICTION TOOL TO PREDICT 30-DAY OUTCOMES FOLLOWING HOSPITALIZATION FOR HEART FAILURE. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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31
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Van Spall HGC, Lee SF, Averbuch T, Erbas Oz U, Perez R, Maingi M, Heffernan M, Mitoff P, Tjandrawidjaja M, Zia M, Simek K, Porepa L, Panju M, Ko D, Connolly S. P6544All you need is LE: utility of an abbreviated LACE score in predicting 30-day outcomes among patients hospitalized for Heart Failure (HF). Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p6544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- H G C Van Spall
- Population Health Research Institute, McMaster University, Hamilton, Canada
| | - S F Lee
- Population Health Research Institute, Hamilton, Canada
| | | | - U Erbas Oz
- Institute for Clinical Evaluative Sciences, Hamilton, Canada
| | - R Perez
- Institute for Clinical Evaluative Sciences, Hamilton, Canada
| | - M Maingi
- Trillium Health Partners, Cardiac Health Program, Mississauga, Canada
| | - M Heffernan
- Halton Health Care Services, Department of Medicine, Oakville, Canada
| | - P Mitoff
- St. Joseph's Health Center, Department of Medicine, Toronto, Canada
| | - M Tjandrawidjaja
- William Osler Health System, Department of Medicine, Brampton, Canada
| | - M Zia
- University of Toronto, Department of Medicine, Toronto, Canada
| | - K Simek
- Population Health Research Institute, Hamilton, Canada
| | - L Porepa
- Southlake Regional Health Centre, Department of Medicine, Newmarket, Canada
| | - M Panju
- McMaster University, Department of Medicine, Hamilton, Canada
| | - D Ko
- University of Toronto, Department of Medicine, Institute for Clinical Evaluative Sciences, Toronto, Canada
| | - S Connolly
- Population Health Research Institute, McMaster University, Hamilton, Canada
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Shaw E, Gomila A, Piriz M, Perez R, Cuquet J, Vazquez A, Badia JM, Lérida A, Fraccalvieri D, Marron A, Freixas N, Castro A, Cruz A, Limón E, Gudiol F, Biondo S, Carratalà J, Pujol M. Multistate modelling to estimate excess length of stay and risk of death associated with organ/space infection after elective colorectal surgery. J Hosp Infect 2018; 100:400-405. [PMID: 30125586 DOI: 10.1016/j.jhin.2018.08.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 08/10/2018] [Indexed: 01/03/2023]
Abstract
BACKGROUND Accounting for time-dependency and competing events are strongly recommended to estimate excess length of stay (LOS) and risk of death associated with healthcare-associated infections. AIM To assess the effect of organ/space (OS) surgical site infection (SSI) on excess LOS and in-hospital mortality in patients undergoing elective colorectal surgery (ECS). METHODS A multicentre prospective adult cohort undergoing ECS, January 2012 to December 2014, at 10 Spanish hospitals was used. SSI was considered the time-varying exposure and defined as incisional (superficial and deep) or OS. Discharge alive and death were the study endpoints. The mean excess LOS was estimated using a multistate model which provided a weighted average based on the states patients passed through. Multivariate Cox regression models were used to assess the effect of OS-SSI on risk of discharge alive or in-hospital mortality. FINDINGS Of 2778 patients, 343 (12.3%) developed SSI: 194 (7%) OS-SSI and 149 (5.3%) incisional SSI. Compared to incisional SSI or no infection, OS-SSI prolonged LOS by 4.2 days (95% confidence interval (CI): 4.1-4.3) and 9 days (8.9-9.1), respectively, reduced the risk of discharge alive (adjusted hazard ratio (aHR): 0.36 (95% CI: 0.28-0.47) and aHR: 0.17 (0.14-0.21), respectively), and increased the risk of in-hospital mortality (aHR: 8.02 (1.03-62.9) and aHR: 10.7 (3.7-30.9), respectively). CONCLUSION OS-SSI substantially extended LOS and increased risk of death in patients undergoing ECS. These results reinforce OS-SSI as the SSI with the highest health burden in ECS.
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Affiliation(s)
- E Shaw
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Barcelona, Spain; Epidemiologia de les infeccions bacterianes, Patologia Infecciosa i Transplantament, Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; VINCat Programme, Barcelona, Spain.
| | - A Gomila
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Barcelona, Spain; Epidemiologia de les infeccions bacterianes, Patologia Infecciosa i Transplantament, Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; VINCat Programme, Barcelona, Spain
| | - M Piriz
- VINCat Programme, Barcelona, Spain; Infection Control, Corporació Sanitària Parc Taulí, Barcelona, Spain
| | - R Perez
- VINCat Programme, Barcelona, Spain; Department of Internal Medicine, Fundació Althaia de Manresa, Barcelona, Spain
| | - J Cuquet
- VINCat Programme, Barcelona, Spain; Department of Internal Medicine, Hospital General de Granollers, Barcelona, Spain
| | - A Vazquez
- Servei d'Estadística Aplicada, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - J M Badia
- VINCat Programme, Barcelona, Spain; Department of General Surgery, Hospital General de Granollers, Barcelona, Spain; Universitat Internacional de Catalunya, Barcelona, Spain
| | - A Lérida
- VINCat Programme, Barcelona, Spain; Department of Internal Medicine, Hospital de Viladecans, Barcelona, Spain
| | - D Fraccalvieri
- VINCat Programme, Barcelona, Spain; Department of General Surgery, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - A Marron
- VINCat Programme, Barcelona, Spain; Department of Internal Medicine, Consorci Sanitari de l'Anoia, Barcelona, Spain
| | - N Freixas
- VINCat Programme, Barcelona, Spain; Department of Infectious Diseases, Hospital Universitari Mútua de Terrassa, Barcelona, Spain
| | - A Castro
- VINCat Programme, Barcelona, Spain; Department of Internal Medicine, Hospital Universitari Sant Joan de Reus, Tarragona, Spain
| | - A Cruz
- VINCat Programme, Barcelona, Spain; Department of Infectious Diseases, Parc Sanitari Sant Joan de Déu de Sant Boi, Barcelona, Spain
| | - E Limón
- VINCat Programme, Barcelona, Spain; University of Barcelona, Barcelona, Spain
| | - F Gudiol
- VINCat Programme, Barcelona, Spain; University of Barcelona, Barcelona, Spain
| | - S Biondo
- VINCat Programme, Barcelona, Spain; Department of General Surgery, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - J Carratalà
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Barcelona, Spain; Epidemiologia de les infeccions bacterianes, Patologia Infecciosa i Transplantament, Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; VINCat Programme, Barcelona, Spain; University of Barcelona, Barcelona, Spain
| | - M Pujol
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Barcelona, Spain; Epidemiologia de les infeccions bacterianes, Patologia Infecciosa i Transplantament, Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; VINCat Programme, Barcelona, Spain
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Alessandrini R, Calfunao D, Perez R, Torresin J, Bouza M. Point of care Testing for HCV and HBV infection. First experience in Patagonia, Argentina. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.3881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Van Spall HGC, Lee SF, Averbuch T, Erbas Oz U, Perez R, Maingi M, Heffernan M, Mitoff PR, Tjandrawidjaja M, Zia MI, Simek KD, Porepa L, Panju M, Ko DT, Connolly SJ. 4940Predicting risk at the point of care: NT-proBNP improves performance of the LACE index among patients hospitalized for Heart Failure (HF). Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.4940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- H G C Van Spall
- Population Health Research Institute, McMaster University, Hamilton, Canada
| | - S F Lee
- Population Health Research Institute, Hamilton, Canada
| | | | - U Erbas Oz
- Institute for Clinical Evaluative Sciences, Hamilton, Canada
| | - R Perez
- Institute for Clinical Evaluative Sciences, Hamilton, Canada
| | - M Maingi
- Trillium Health Partners, Cardiac Health Program, Mississauga, Canada
| | - M Heffernan
- Halton Health Care Services, Department of Medicine, Oakville, Canada
| | - P R Mitoff
- St. Joseph's Health Centre, Department of Medicine, Toronto, Canada
| | - M Tjandrawidjaja
- William Osler Health System, Department of Medicine, Brampton, Canada
| | - M I Zia
- University of Toronto, Department of Medicine, Toronto, Canada
| | - K D Simek
- Population Health Research Institute, Hamilton, Canada
| | - L Porepa
- Southlake Regional Health Centre, Department of Medicine, Newmarket, Canada
| | - M Panju
- McMaster University, Department of Medicine, Hamilton, Canada
| | - D T Ko
- University of Toronto, Department of Medicine, Institute for Clinical Evaluative Sciences, Toronto, Canada
| | - S J Connolly
- Population Health Research Institute, McMaster University, Hamilton, Canada
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Martin-Malo A, Mallol J, Castillo D, Barrio V, Burdiel L, Perez R, Aljama P. Factors Affecting β2-Microglobulin Plasma Concentration during Hemodialysis. Int J Artif Organs 2018. [DOI: 10.1177/039139888901200805] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We studied ten patients on hemodialysis (HD) treated in sequence with cuprophan (CU), ethylenevinylalcohol (EVAL), polyacrylonitrile (A-69) and polysulphone (PSP) membrane dialyzers. ß2-microglobulin (ß2m) was measured by radioimmunoassay in plasma and dialysate samples. Plasma concentrations were corrected for changes in extracellular volume (ECV). We also studied adsorption in vitro by incubating the above membranes with I-125-labelled ß2m. There were no changes in ß2m plasma concentration after HD with CU dialyzers, but a significant decrease was observed with the other membranes tested. Filtration of ß2m across the dialyzer was absent with CU and minimal with EVAL. However, large amounts were recovered from dialysate with the high-permeability dialyzers, AN-69 and PSP. In vitro studies showed that maximal adsorption capacity was obtained with AN-69 (73%) compared to 9% with CU, 4% with EVAL and 7% with PSP. In summary, ß2m clearance with PSP is achieved through greater removal of this protein by mass transport across the membrane. The mechanism by which ß2m is removed from blood during AN-69 dialysis seems to include both adsorption to and filtration by the membrane itself.
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Affiliation(s)
- A. Martin-Malo
- Departments of Nephrology, University of Cordoba - Spain
| | - J. Mallol
- Nuclear Medicine, Reina Sofia Regional Hospital, University of Cordoba - Spain
| | - D. Castillo
- Departments of Nephrology, University of Cordoba - Spain
| | - V. Barrio
- Departments of Nephrology, University of Cordoba - Spain
| | - L.G. Burdiel
- Departments of Nephrology, University of Cordoba - Spain
| | - R. Perez
- Departments of Nephrology, University of Cordoba - Spain
| | - P. Aljama
- Departments of Nephrology, University of Cordoba - Spain
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Chordekar S, Perez R, Adelman C, Sohmer H, Kishon-Rabin L. Does hearing in response to soft-tissue stimulation involve skull vibrations? A within-subject comparison between skull vibration magnitudes and hearing thresholds. Hear Res 2018; 364:59-67. [PMID: 29678325 DOI: 10.1016/j.heares.2018.03.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 03/23/2018] [Accepted: 03/28/2018] [Indexed: 11/26/2022]
Abstract
Hearing can be elicited in response to bone as well as soft-tissue stimulation. However, the underlying mechanism of soft-tissue stimulation is under debate. It has been hypothesized that if skull vibrations were the underlying mechanism of hearing in response to soft-tissue stimulation, then skull vibrations would be associated with hearing thresholds. However, if skull vibrations were not associated with hearing thresholds, an alternative mechanism is involved. In the present study, both skull vibrations and hearing thresholds were assessed in the same participants in response to bone (mastoid) and soft-tissue (neck) stimulation. The experimental group included five hearing-impaired adults in whom a bone-anchored hearing aid was implanted due to conductive or mixed hearing loss. Because the implant is exposed above the skin and has become an integral part of the temporal bone, vibration of the implant represented skull vibrations. To ensure that middle-ear pathologies of the experimental group did not affect overall results, hearing thresholds were also obtained in 10 participants with normal hearing in response to stimulation at the same sites. We found that the magnitude of the bone vibrations initiated by the stimulation at the two sites (neck and mastoid) detected by the laser Doppler vibrometer on the bone-anchored implant were linearly related to stimulus intensity. It was therefore possible to extrapolate the vibration magnitudes at low-intensity stimulation, where poor signal-to-noise ratio limited actual recordings. It was found that the vibration magnitude differences (between soft-tissue and bone stimulation) were not different than the hearing threshold differences at the tested frequencies. Results of the present study suggest that bone vibration magnitude differences can adequately explain hearing threshold differences and are likely to be responsible for the hearing sensation. Thus, the present results support the idea that bone and soft-tissue conduction could share the same underlying mechanism, namely the induction of bone vibrations. Studies with the present methodology should be continued in future work in order to obtain further insight into the underlying mechanism of activation of the hearing system.
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Affiliation(s)
- Shai Chordekar
- Department of Communication Disorders, Stanley Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, The Chaim Sheba Medical Center, Tel Hashomer 52621, Israel.
| | - Ronen Perez
- Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center, POB 3235, Jerusalem 91031, Israel
| | - Cahtia Adelman
- Speech & Hearing Center, Hebrew University School of Medicine-Hadassah Medical Center, Jerusalem, Department of Communication Disorders, Hadassah Academic College, 37 Hanevi'im Street, POB 1114, Jerusalem 91010, Israel
| | - Haim Sohmer
- Department of Medical Neurobiology (Physiology), Institute for Medical Research - Israel-Canada, Hebrew University-Hadassah Medical School, POB 12272, Jerusalem 91120, Israel
| | - Liat Kishon-Rabin
- Department of Communication Disorders, Stanley Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, The Chaim Sheba Medical Center, Tel Hashomer 52621, Israel
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Perez R. SP-0229: TME, TEM or Wait and See? The surgeon’s perspective. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30539-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Verrijssen A, Bellezzo M, Habr-Gama A, Perez R, Guillem J, Bujko K, Houben R, Verhaegen F, Berbee M, Van Limbergen E. EP-1472: Microscopic extension of residual rectal tumor mass post-neoadjuvant chemoradiation: a meta-analysis. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31781-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Gomila A, Carratalà J, Biondo S, Badia JM, Fraccalvieri D, Shaw E, Diaz-Brito V, Pagespetit L, Freixas N, Brugués M, Mora L, Perez R, Sanz C, Arroyo N, Iftimie S, Limón E, Gudiol F, Pujol M. Predictive factors for early- and late-onset surgical site infections in patients undergoing elective colorectal surgery. A multicentre, prospective, cohort study. J Hosp Infect 2017; 99:24-30. [PMID: 29288776 DOI: 10.1016/j.jhin.2017.12.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 12/20/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Surgical site infections (SSIs) are the leading cause of healthcare-associated infections in acute care hospitals in Europe. However, the risk factors for the development of early-onset (EO) and late-onset (LO) SSI have not been elucidated. AIM This study investigated the predictive factors for EO-SSI and LO-SSI in a large cohort of patients undergoing colorectal surgery. METHODS We prospectively followed-up adult patients undergoing elective colorectal surgery in 10 hospitals (2011-2014). Patients were divided into three groups: EO-SSI, LO-SSI, or no infection (no-SSI). The cut-off defining EO-SSI and LO-SSI was seven days (median time to SSI development). Different predictive factors for EO-SSI and LO-SSI were analysed, comparing each group with the no-SSI patients. FINDINGS Of 3701 patients, 320 (8.6%) and 349 (9.4%) developed EO-SSI and LO-SSI, respectively. The rest had no-SSI. Patients with EO-SSI were mostly males, had colon surgery and developed organ-space SSI whereas LO-SSI patients frequently received chemotherapy or radiotherapy and had incisional SSI. Male sex (odds ratio (OR): 1.92; P < 0.001), American Society of Anesthesiologists' physical status >2 (OR: 1.51; P = 0.01), administration of mechanical bowel preparation (OR: 0.7; P = 0.03) and stoma creation (OR: 1.95; P < 0.001) predicted EO-SSI whereas rectal surgery (OR: 1.43; P = 0.03), prolonged surgery (OR: 1.4; P = 0.03) and previous chemotherapy (OR: 1.8; P = 0.03) predicted LO-SSI. CONCLUSION We found distinctive predictive factors for the development of SSI before and after seven days following elective colorectal surgery. These factors could help establish specific preventive measures in each group.
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Affiliation(s)
- A Gomila
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Spain; VINCat Program, Spain.
| | - J Carratalà
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Spain; VINCat Program, Spain; University of Barcelona, Spain
| | - S Biondo
- VINCat Program, Spain; University of Barcelona, Spain; Department of General Surgery, Hospital Universitari de Bellvitge, Spain
| | - J M Badia
- VINCat Program, Spain; Department of General Surgery, Hospital General de Granollers, Spain; Universitat Internacional de Catalunya, Spain
| | - D Fraccalvieri
- VINCat Program, Spain; Department of General Surgery, Hospital Universitari de Bellvitge, Spain
| | - E Shaw
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Spain; VINCat Program, Spain
| | - V Diaz-Brito
- VINCat Program, Spain; Department of Infectious Diseases, Parc Sanitari Sant Joan de Déu de Sant Boi, Spain
| | - L Pagespetit
- VINCat Program, Spain; Department of Infectious Diseases, Consorci Sanitari de Terrassa, Spain
| | - N Freixas
- VINCat Program, Spain; Department of Infectious Diseases, Hospital Universitari Mútua de Terrassa, Spain
| | - M Brugués
- VINCat Program, Spain; Department of Internal Medicine, Consorci Sanitari de l'Anoia, Spain
| | - L Mora
- VINCat Program, Spain; Department of General Surgery, Corporació Sanitària Parc Taulí, Spain
| | - R Perez
- VINCat Program, Spain; Department of Internal Medicine, Fundació Althaia, Spain
| | - C Sanz
- VINCat Program, Spain; Department of Internal Medicine, Hospital de Viladecans, Spain
| | - N Arroyo
- VINCat Program, Spain; Department of General Surgery, Hospital General de Granollers, Spain
| | - S Iftimie
- VINCat Program, Spain; Department of Internal Medicine, Hospital Universitari Sant Joan de Reus, Spain
| | - E Limón
- VINCat Program, Spain; University of Barcelona, Spain
| | - F Gudiol
- VINCat Program, Spain; University of Barcelona, Spain
| | - M Pujol
- Department of Infectious Diseases, Hospital Universitari de Bellvitge, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Spain; VINCat Program, Spain
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Molinero L, Albanell J, Koeppen H, Martinez de Dueñas E, Halligan D, Guerrero A, Chacón López-Muñiz J, Perez R, Antolin S, Blancas I, Muñoz M, Oltra A, LÓpez de Ceballos M, Sánchez-Aragó M, Caballero R, Carrasco E, González-Angulo A, Lluch A, Mittendorff E, Rojo F. Analysis of stroma and immune-related gene expression patterns during breast cancer (BC) progression. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx391.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Adelman C, Perez R, Nazarian Y, Freeman S, Weinberger J, Sohmer H. Furosemide Administered before Noise Exposure can Protect the Ear. Ann Otol Rhinol Laryngol 2017; 119:342-9. [DOI: 10.1177/000348941011900512] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objectives We assessed the effect of furosemide administration on noise-induced hearing loss. This drug reversibly elevates the auditory threshold by inducing a temporary reduction of the endocochlear potential and thereby suppresses the cochlear amplifier and active cochlear mechanics. Methods Mice were given a single injection of furosemide 30 minutes before exposure to 113 dB sound pressure level broadband noise. Control animals received saline solution. Furosemide was administered in other mice after the noise exposure. Auditory threshold shifts were assessed by recording auditory nerve brain stem evoked response (ABR) thresholds to broadband clicks. Results The mean ABR threshold in the group injected with furosemide and exposed to temporary threshold shift (TTS)-producing noise was elevated by 20.4 ± 12.3 dB, and that in the saline control group was elevated by 35.4 ± 18.3 dB (p < 0.02). The mean threshold elevations in the group injected with furosemide and exposed to permanent threshold shift (PTS)-producing noise and in the PTS saline control group were 15.0 ± 10.3 dB and 27.0 ± 12.7 dB, respectively (p < 0.01). Similar results were obtained when the PTS was assessed with an 8-kHz tone burst ABR. There was no significant difference in the PTS between mice given a single injection of furosemide and those given saline solution after the noise; this finding shows that furosemide is not acting as an antioxidant. Conclusions It appears that reversible hearing threshold elevation as a result of furosemide administration before noise exposure can reduce the TTS and PTS. This finding provides insight into the mechanism of noise-induced hearing loss.
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Affiliation(s)
- Cahtia Adelman
- Department of Physiology, Hebrew University-Hadassah Medical School
| | - Ronen Perez
- Department of Otolaryngology—Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Yoram Nazarian
- Department of Otolaryngology—Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Sharon Freeman
- Department of Physiology, Hebrew University-Hadassah Medical School
| | | | - Haim Sohmer
- Department of Physiology, Hebrew University-Hadassah Medical School
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Abstract
Objectives Acute mastoiditis (AM) is the most common intratemporal complication of acute otitis media in children. In the past decade, reports have indicated a rise in the incidence of AM in the pediatric population. A parallel rise in the use of computed tomography (CT) imaging has occurred. The rise in the use of CT scanning in the pediatric population, entraining with it a rise in pediatric brain irradiation, has led us to question the necessity of using CT for pediatric patients with AM. Methods We reviewed the medical files of pediatric patients who had AM in the years 2005 through 2007. Results Fifty patients were identified. The gender distribution was equal, and the ages ranged from 4 months to 12 years. Of the 46 patients who were admitted to our institution “de novo,” only 2 underwent CT scanning on admission, and 4 other patients had CT performed during hospitalization. The majority of patients (92%) with AM did not have a CT scan performed and were treated conservatively with no complications. Conclusions In most pediatric patients, CT does not seem to be indispensable in the diagnosis of AM. Conservative therapy and close follow-up seem to suffice for most.
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Affiliation(s)
- Sharon Tamir
- Department of Otolaryngology–Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Yehuda Schwartz
- Department of Otolaryngology–Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Uri Peleg
- Department of Otolaryngology–Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Ronen Perez
- Department of Otolaryngology–Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Jean-Yves Sichel
- Department of Otolaryngology–Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
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Ronen O, Geal-Dor M, Kaufmann-Yehezkely M, Perez R, Chordekar S, Adelman C, Sohmer H. Inner Ear Excitation in Normal and Postmastoidectomy Participants by Fluid Stimulation in the Absence of Air- and Bone-Conduction Mechanisms. J Am Acad Audiol 2017; 28:152-160. [PMID: 28240982 DOI: 10.3766/jaaa.16036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Hearing can be induced not only by airborne sounds (air conduction [AC]) and by the induction of skull vibrations by a bone vibrator (osseous bone conduction [BC]), but also by inducing vibrations of the soft tissues of the head, neck, and thorax. This hearing mode is called soft tissue conduction (STC) or nonosseous BC. PURPOSE This study was designed to gain insight into the mechanism of STC auditory stimulation. RESEARCH DESIGN Fluid was applied to the external auditory canal in normal participants and to the mastoidectomy common cavity in post-radical mastoidectomy patients. A rod coupled to a clinical bone vibrator, immersed in the fluid, delivered auditory frequency vibratory stimuli to the fluid. The stimulating rod was in contact with the fluid only. Thresholds were assessed in response to the fluid stimulation. STUDY SAMPLE Eight ears in eight normal participants and eight ears in seven post-radical mastoidectomy patients were studied. DATA COLLECTION AND ANALYSIS Thresholds to AC, BC, and fluid stimulation were assessed. The postmastoidectomy patients were older than the normal participants, with underlying sensorineural hearing loss (SNHL). Therefore, the thresholds to the fluid stimulation in each participant were corrected by subtracting his BC threshold, which expresses any underlying SNHL. RESULTS Hearing thresholds were obtained in each participant, in both groups in response to the fluid stimulation at 1.0 and 2.0 kHz. The fluid thresholds, corrected by subtracting the BC thresholds, did not differ between the groups at 1.0 kHz. However, at 2.0 kHz the corrected fluid thresholds in the mastoidectomy patients were 10 dB lower (better) than in the normal participants. CONCLUSIONS Since the corrected fluid thresholds at 1.0 kHz did not differ between the groups, the response to fluid stimulation in the normal participants at least at 1.0 kHz was probably not due to vibrations of the tympanic membrane and of the ossicular chain induced by the fluid stimulation, since these structures were absent in the mastoidectomy patients. In addition, the fluid in the external canal (normal participants) and the absence of the tympanic membrane and the ossicular chain (mastoidectomy patients) induced a conductive hearing loss (threshold elevation to air-conducted sounds coming from the bone vibrator), so that AC mechanisms were probably not involved in the thresholds to the fluid stimulation. In addition, as a result of the acoustic impedance mismatch between the fluid and skull bone, the audio-frequency vibrations induced in the fluid at threshold would probably not lead to vibrations of the bony wall of the meatus, so that hearing by osseous BC is not likely. Therefore, it seems that the thresholds to the fluid stimulation, in the absence of AC and of osseous BC, represent an example of STC, which is an additional mode of auditory stimulation in which the cochlea is activated by fluid pressures transmitted along a series of soft tissues, reaching and exciting the inner ear directly. STC can explain the mechanism of several auditory phenomena.
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Affiliation(s)
- Ofri Ronen
- Department of Otorhinolaryngology/Head & Neck Surgery, Hebrew University School of Medicine-Hadassah Medical Center, Jerusalem 91120, Israel
| | - Miriam Geal-Dor
- Speech & Hearing Center, Hebrew University School of Medicine-Hadassah Medical Center, Jerusalem 91120, Israel
| | - Michal Kaufmann-Yehezkely
- Department of Otorhinolaryngology/Head & Neck Surgery, Hebrew University School of Medicine-Hadassah Medical Center, Jerusalem 91120, Israel
| | - Ronen Perez
- Department of Otolaryngology and Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem 91031, Israel
| | - Shai Chordekar
- Department of Communication Disorders, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 52621, Israel
| | - Cahtia Adelman
- Speech & Hearing Center, Hebrew University School of Medicine-Hadassah Medical Center, Jerusalem 91120, Israel.,Department of Communication Disorders, Hadassah Academic College, Jerusalem 91010, Israel
| | - Haim Sohmer
- Department of Medical Neurobiology (Physiology), Institute for Medical Research, Israel-Canada, Hebrew University-Hadassah Medical School, Jerusalem 91120, Israel
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Peleg U, Perez R, Raveh D, Berelowitz D, Cohen D. Stratification for Malignant External Otitis. Otolaryngol Head Neck Surg 2016; 137:301-5. [PMID: 17666260 DOI: 10.1016/j.otohns.2007.02.029] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2006] [Accepted: 02/20/2007] [Indexed: 11/17/2022]
Abstract
OBJECTIVE: To propose a CT-based method for early identification of severe cases of malignant external otitis (MEO) by correlating between initial CT findings and clinical course. STUDY DESIGN AND SETTING: Eighteen MEO patients who underwent CT on admission were included in this retrospective study conducted at a tertiary center. The number and extent of anatomical areas involved according to CT were compared to clinical course severity. RESULTS: The patients were categorized into two groups according to clinical course. There were 13 patients in the “nonsevere” group and 5 in the “severe.” In six out of eight CT anatomical areas the “severe” group had significantly higher scores ( P < 0.05 to P < 0.0005). The average number of areas involved in the “nonsevere” group was 2.9 and in the “severe” 5.4 ( P < 0.0005). CONCLUSION: We found a clear correlation between clinical course and initial CT findings in MEO patients. Based on these findings it may be possible to predict clinical course severity according to initial CT.
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Affiliation(s)
- Uri Peleg
- Department of Otolaryngology-Head and Neck Surgery, Shaare Zedek Medical Center, Jerusalem, Israel
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De-Deus G, Belladonna FG, Silva EJNL, Souza EM, Carvalhal JCA, Perez R, Lopes RT, Versiani MA. Micro-CT assessment of dentinal micro-cracks after root canal filling procedures. Int Endod J 2016; 50:895-901. [PMID: 27689844 DOI: 10.1111/iej.12706] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Accepted: 09/27/2016] [Indexed: 11/30/2022]
Abstract
AIM To evaluate the frequency of dentinal micro-cracks after root canal filling procedures with GuttaCore (GC), cold lateral compaction (CLC) and warm vertical compaction (WVC) techniques in mandibular molars using micro-computed tomographic analysis. METHODOLOGY Thirty mesial roots of mandibular molars, with a type II Vertucci's canal configuration, were prepared to working length with a Reciproc R40 instrument and randomly assigned to one of the three experimental groups (n = 10), according to the technique used for root filling: GC, CLC or WVC. The GC group was filled with a size 40 GC obturator, whilst CLC and WVC groups used conventional gutta-percha cones. AH Plus sealer was used in all groups. The specimens were scanned at an isotropic resolution of 14.25 μm before and after root canal preparation and after root filling. Then, all pre- and postoperative cross-sectional images of the roots (n = 41 660) were screened to identify the presence of dentinal defects. RESULTS Overall, 30.75% (n = 12 810) of the pre- + post-filling images displayed dentinal defects. In the GC, CLC and WVC groups, dentinal micro-cracks were observed in 18.68% (n = 2510), 15.99% (n = 2389) and 11.34% (n = 1506) of the cross-sectional images, respectively. All micro-cracks identified in the post-filling scans were also observed in the corresponding post-preparation images. CONCLUSION Root fillings in all techniques did not induce the development of new dentinal micro-cracks.
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Affiliation(s)
- G De-Deus
- Department of Endodontics, School of Dentistry, Grande Rio University (UNIGRANRIO), Rio de Janeiro, RJ, Brazil
| | - F G Belladonna
- Department of Endodontics, Fluminense Federal University (UFF), Niterói, RJ, Brazil
| | - E J N L Silva
- Department of Endodontics, School of Dentistry, Grande Rio University (UNIGRANRIO), Rio de Janeiro, RJ, Brazil
| | - E M Souza
- Department of Dentistry II, Federal University of Maranhão (UFMA), São Luís, MA, Brazil
| | - J C A Carvalhal
- Department of Endodontics, School of Dentistry, Grande Rio University (UNIGRANRIO), Rio de Janeiro, RJ, Brazil
| | - R Perez
- Department of Endodontics, Fluminense Federal University (UFF), Niterói, RJ, Brazil
| | - R T Lopes
- Nuclear Engineering Program, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - M A Versiani
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
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Rosenberg J, Heath E, Perez R, Merchan J, Lang J, Ruether D, Petrylak D, Sangha R, Smith D, Sridhar S, Gartner E, Vincent M, Chu R, Anand B, Donate F, Melhem-Bertrandt A, Zhang J. Interim analysis of a phase I dose escalation trial of ASG-22CE (ASG-22ME; enfortumab vedotin), an antibody drug conjugate (ADC), in patients (Pts) with metastatic urothelial cancer (mUC). Ann Oncol 2016. [DOI: 10.1093/annonc/mdw373.16] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Evans J, Bhoday J, Sizer B, Tekkis P, Swift R, Perez R, Tait D, Brown G. Results of a prospective randomised control 6 vs 12 trial: Is greater tumour downstaging observed on post treatment MRI if surgery is delayed to 12-weeks versus 6-weeks after completion of neoadjuvant chemoradiotherapy? Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.01] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Yeo TK, Kintner J, Armand R, Perez R, Lewis LD. Sublethal concentrations of gemcitabine (2′,2′-difluorodeoxycytidine) alter mitochondrial ultrastructure and function without reducing mitochondrial DNA content in BxPC-3 human pancreatic carcinoma cells. Hum Exp Toxicol 2016; 26:911-21. [DOI: 10.1177/0960327107086513] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
2′,2′-Difluorodeoxycytidine (gemcitabine), a pyrimidine nucleoside analog, is used therapeutically in the treatment of pancreatic, non-small cell lung, and breast cancer. The cytotoxic effect of gemcitabine is thought to be due to masked chain termination after the triphosphorylated anabolite of the drug is incorporated into nascent DNA strands. We tested the hypothesis that sublethal concentrations of gemcitabine inhibit DNA polymerase γ and reduce mitochondrial DNA content in BxPC-3 and MOLT-4 cell lines, and we used 2′,3′-dideoxycytidine, a known inhibitor of DNA polymerase γ as a positive control. The 6-day BxPC-3 cell growth IC50 for gemcitabine and 2′,3′-dideoxycytidine was 0.003 μM (SD ± 0.0005) and 14.5 μM (SD ± 4.7), respectively, and in MOLT-4 cells was 0.002 μM (SD ± 0.001) and 0.86 μM (SD ± 0.23), respectively. These drug concentrations were anti-proliferative but non-cytotocidal. Electron photomicrographic studies showed deranged mitochondrial cristae patterns in BxPC-3 cells treated with either gemcitabine or 2′,3′-dideoxycytidine for 6 days. Mitochondrial oxidative phosphorylation dysfunction was observed as reflected by increased lactate concentration in the media of cells exposed to gemcitabine, but to a much greater extent in cells exposed to 2′,3′-dideoxycytidine. PCR analysis showed that gemcitabine did not reduce mitochondrial DNA content in either BxPC-3 or MOLT-4 cells, but 2′,3′-dideoxycytidine did. The effect of gemcitabine on mitochondrial ultrastructure and function did not concomitantly yield a reduction in mitochondrial DNA content. Therefore, the molecular target(s) by which gemcitabine and 2′,3′-dideoxycytidine produce mitochondrial abnormalities in these cells appear to be different.
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Affiliation(s)
- TK Yeo
- Section of Clinical Pharmacology, Department of Medicine, Dartmouth Medical School and Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - J Kintner
- Department of Pharmacology and Toxicology, Dartmouth Medical School and Dartmouth, Lebanon, NH 03756, USA
| | - R Armand
- Section of Clinical Pharmacology, Department of Medicine, Dartmouth Medical School and Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - R Perez
- Department of Pharmacology and Toxicology, Dartmouth Medical School and Dartmouth, Lebanon, NH 03756, USA; Section of Hematology/Oncology, Department of Medicine, Dartmouth Medical School and Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - LD Lewis
- Section of Clinical Pharmacology, Department of Medicine, Dartmouth Medical School and Dartmouth Hitchcock Medical Center, Lebanon, NH 03756, USA; Department of Pharmacology and Toxicology, Dartmouth Medical School and Dartmouth, Lebanon, NH 03756, USA
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Vincentelli J, Braguer D, Guillet P, Delorme J, Carles G, Perez R, Duffaud F, Nicoara A, Drancourt M, Favre R, Crevat A. Formulation of a flush solution of heparin, vancomycin, and colistin for implantable access systems in oncology. J Oncol Pharm Pract 2016. [DOI: 10.1177/107815529700300103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction: Because of the increased use of im plantable access systems, the incidence of blood stream and catheter infections associated with these systems has concomitantly increased. Classically, he parin-lock flush solutions were used to prevent thrombosis; more recently, vancomycin was added to the solution to prevent infections caused by Gram- positive bacteria, particularly coagulase-negative Staphylococci. Disorders due to Gram-negative organ isms have now appeared in oncologic patients. We therefore tested the addition of colistin to heparin- vancomycin solutions. Colistin was chosen for its good activity against Gram-negative bacteria (98% susceptibility in our hospital), its good tolerance due to low systemic passage, and its low cost. Methods: We developed formulations contain ing heparin (100 IU/mL) and various concentrations of vancomycin (10-500 μg/mL) and colistin (10-100 μg/mL) in 0.9% NaCl. Each sterile solution was tested for physical and chemical compatibility (spectropho tometry, nuclear magnetic resonance, and pH mea surements) and its antibacterial activity (against ox acillin-resistant Staphylococcus aureus, Enterococcus faecium, Klebsiella pneumoniae exhibiting broad- spectrum betalactamase (BSBL), imipenem-resistant Pseudomonas aeruginosa) for 2 months at 4°C and at room temperature. Results: The most suitable combination of drugs is heparin (100 IU/mL), vancomycin (100 μg/mL), and colistin (100 μg/mL). This flush solution main tains activity when stored at 4°C for up to 1 month. Conclusions: We feel that the combination of heparin, vancomycin, and colistin can be used as a flush solution for indwelling catheters.
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Affiliation(s)
| | | | | | | | | | - R. Perez
- Laboratory of Bacteriology CHU Timone, Marseille, France
| | | | | | - M. Drancourt
- Laboratory of Bacteriology CHU Timone, Marseille, France
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Perez R, Neves AA, Belladonna FG, Silva EJNL, Souza EM, Fidel S, Versiani MA, Lima I, Carvalho C, De-Deus G. Impact of needle insertion depth on the removal of hard-tissue debris. Int Endod J 2016; 50:560-568. [DOI: 10.1111/iej.12648] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Accepted: 04/07/2016] [Indexed: 12/01/2022]
Affiliation(s)
- R. Perez
- Department of Dental Clinics; Rio de Janeiro State University; Rio de Janeiro Brazil
| | - A. A. Neves
- Department of Pediatric Dentistry and Orthodontics; Federal University of Rio de Janeiro; Rio de Janeiro Brazil
| | - F. G. Belladonna
- Department of Endodontics; Fluminense Federal University; Niterói Rio de Janeiro Brazil
| | - E. J. N. L. Silva
- Department of Endodontics; Grande Rio University; Duque de Caxias Rio de Janeiro Brazil
| | - E. M. Souza
- Department of Dentistry II; Federal University of Maranhão; São Luís Maranhão Brazil
| | - S. Fidel
- Department of Dental Clinics; Rio de Janeiro State University; Rio de Janeiro Brazil
| | - M. A. Versiani
- Department of Restorative Dentistry; Dental School of Ribeirão Preto; University of São Paulo; São Paulo Brazil
| | - I. Lima
- Nuclear Engineering Program; Federal University of Rio de Janeiro; Rio de Janeiro Brazil
| | - C. Carvalho
- Department of Endodontics; Grande Rio University; Duque de Caxias Rio de Janeiro Brazil
| | - G. De-Deus
- Department of Endodontics; Grande Rio University; Duque de Caxias Rio de Janeiro Brazil
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