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Perspectives on long-acting formulations of pre-exposure prophylaxis (PrEP) among men who have sex with men who are non-adherent to daily oral PrEP in the United States. BMC Public Health 2023; 23:1643. [PMID: 37641018 PMCID: PMC10463714 DOI: 10.1186/s12889-023-16382-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 07/25/2023] [Indexed: 08/31/2023] Open
Abstract
INTRODUCTION Pre-exposure prophylaxis (PrEP) persistence among men who have sex with men (MSM) in real world clinical settings for HIV prevention is suboptimal. New longer-acting formulations of PrEP are becoming available, including injectables, subdermal implants, and other oral medications. These longer-acting formulations have the potential to improve retention among those who have challenges remaining adherent to daily oral PrEP. METHODS We interviewed 49 MSM who had initiated but discontinued oral PrEP at three diverse clinics across the United States. We examined participants' perspectives about long-acting PrEP formulations and how long-acting options could affect PrEP use using thematic analysis. RESULTS Participants were not very knowledgeable about long-acting formulations of PrEP but were open to learning about them and considering use. Participants were concerned about safety and efficacy of products given that they were still newer and/or in development. Finally, participants had clear preferences for oral pills, injectables, and then subdermal implants and were most interested in options that reduced the number of visits to the clinic. CONCLUSION Long-acting formulations of PrEP are acceptable to MSM with suboptimal PrEP persistence and have the potential to improve PrEP persistence. However, many felt they needed more information on safety, efficacy, and use to consider these options. As these long-acting formulations are implemented, public health campaigns and clinical interventions to encourage may maximize uptake particularly among those who are not currently adherent to daily oral PrEP.
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Primary cutaneous large cell anaplastic lymphoma and lymphomatoid papulosis: patient demographics, treatment and outcomes from a supraregional skin lymphoma service. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)00627-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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3
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An inguinal hernia imposter. S AFR J SURG 2021; 59:130d-130e. [PMID: 34515435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
This is a report of one of the many imposters of an irreducible inguinal hernia, a dermoid cyst. It is a rare entity that should be considered in the differential diagnosis of a groin lump when an atypical clinical presentation or groin examination occurs. Complete excision with histological evaluation remains the mainstay of surgical treatment.
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An inguinal hernia imposter. S AFR J SURG 2021. [DOI: 10.17159/2078-5151/2021/v59n3a3490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
SUMMARY This is a report of one of the many imposters of an irreducible inguinal hernia, a dermoid cyst. It is a rare entity that should be considered in the differential diagnosis of a groin lump when an atypical clinical presentation or groin examination occurs. Complete excision with histological evaluation remains the mainstay of surgical treatment. Keywords: dermoid cyst, inguinal hernia, inguinal canal, incarcerated, hernia surgery
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Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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Ancient role of vasopressin/oxytocin-type neuropeptides as regulators of feeding revealed in an echinoderm. BMC Biol 2019; 17:60. [PMID: 31362737 PMCID: PMC6668147 DOI: 10.1186/s12915-019-0680-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 07/09/2019] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Vasopressin/oxytocin (VP/OT)-type neuropeptides are well known for their roles as regulators of diuresis, reproductive physiology and social behaviour. However, our knowledge of their functions is largely based on findings from studies on vertebrates and selected protostomian invertebrates. Little is known about the roles of VP/OT-type neuropeptides in deuterostomian invertebrates, which are more closely related to vertebrates than protostomes. RESULTS Here, we have identified and functionally characterised a VP/OT-type signalling system comprising the neuropeptide asterotocin and its cognate G-protein coupled receptor in the starfish (sea star) Asterias rubens, a deuterostomian invertebrate belonging to the phylum Echinodermata. Analysis of the distribution of asterotocin and the asterotocin receptor in A. rubens using mRNA in situ hybridisation and immunohistochemistry revealed expression in the central nervous system (radial nerve cords and circumoral nerve ring), the digestive system (including the cardiac stomach) and the body wall and associated appendages. Informed by the anatomy of asterotocin signalling, in vitro pharmacological experiments revealed that asterotocin acts as a muscle relaxant in starfish, contrasting with the myotropic actions of VP/OT-type neuropeptides in vertebrates. Furthermore, in vivo injection of asterotocin had a striking effect on starfish behaviour-triggering fictive feeding where eversion of the cardiac stomach and changes in body posture resemble the unusual extra-oral feeding behaviour of starfish. CONCLUSIONS We provide a comprehensive characterisation of VP/OT-type signalling in an echinoderm, including a detailed anatomical analysis of the expression of both the VP/OT-type neuropeptide asterotocin and its cognate receptor. Our discovery that asterotocin triggers fictive feeding in starfish provides important new evidence of an evolutionarily ancient role of VP/OT-type neuropeptides as regulators of feeding in animals.
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ATR Inhibition Potentiates the Radiation-induced Inflammatory Tumor Microenvironment. Clin Cancer Res 2019; 25:3392-3403. [PMID: 30770349 PMCID: PMC6551222 DOI: 10.1158/1078-0432.ccr-18-1821] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 12/09/2018] [Accepted: 02/11/2019] [Indexed: 12/18/2022]
Abstract
PURPOSE ATR inhibitors (ATRi) are in early phase clinical trials and have been shown to sensitize to chemotherapy and radiotherapy preclinically. Limited data have been published about the effect of these drugs on the tumor microenvironment.Experimental Design: We used an immunocompetent mouse model of HPV-driven malignancies to investigate the ATR inhibitor AZD6738 in combination with fractionated radiation (RT). Gene expression analysis and flow cytometry were performed posttherapy. RESULTS Significant radiosensitization to RT by ATRi was observed alongside a marked increase in immune cell infiltration. We identified increased numbers of CD3+ and NK cells, but most of this infiltrate was composed of myeloid cells. ATRi plus radiation produced a gene expression signature matching a type I/II IFN response, with upregulation of genes playing a role in nucleic acid sensing. Increased MHC I levels were observed on tumor cells, with transcript-level data indicating increased antigen processing and presentation within the tumor. Significant modulation of cytokine gene expression (particularly CCL2, CCL5, and CXCL10) was found in vivo, with in vitro data indicating CCL3, CCL5, and CXCL10 are produced from tumor cells after ATRi + RT. CONCLUSIONS We show that DNA damage by ATRi and RT leads to an IFN response through activation of nucleic acid-sensing pathways. This triggers increased antigen presentation and innate immune cell infiltration. Further understanding of the effect of this combination on the immune response may allow modulation of these effects to maximize tumor control through antitumor immunity.
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PD-1 Blockade Following Isolated Limb Perfusion with Vaccinia Virus Prevents Local and Distant Relapse of Soft-tissue Sarcoma. Clin Cancer Res 2019; 25:3443-3454. [PMID: 30885937 DOI: 10.1158/1078-0432.ccr-18-3767] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 01/16/2019] [Accepted: 03/08/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE The prevention and treatment of metastatic sarcoma are areas of significant unmet need. Immune checkpoint inhibitor monotherapy has shown little activity in sarcoma and there is great interest in identifying novel treatment combinations that may augment responses. In vitro and in vivo, we investigated the potential for an oncolytic vaccinia virus (GLV-1h68) delivered using isolated limb perfusion (ILP) to promote antitumor immune responses and augment response to PD-1 blockade in sarcoma.Experimental Design: In an established animal model of extremity sarcoma, we evaluated the potential of locoregional delivery of a vaccinia virus (GLV-1h68) alongside biochemotherapy (melphalan/TNFα) in ILP. Complementary in vitro assays for markers of immunogenic cell death were performed in sarcoma cell lines. RESULTS PD-1 monotherapy had minimal efficacy in vivo, mimicking the clinical scenario. Pretreatment with GLV-1h68 delivered by ILP (viral ILP) significantly improved responses. Furthermore, when performed prior to surgery and radiotherapy, viral ILP and PD-1 blockade prevented both local and distant relapse, curing a previously treatment-refractory model. Enhanced therapy was associated with marked modulation of the tumor microenvironment, with an increase in the number and penetrance of intratumoral CD8+ T cells and expansion and activation of dendritic cells. GLV-1h68 was capable of inducing markers of immunogenic cell death in human sarcoma cell lines. CONCLUSIONS Viral ILP augments the response to PD-1 blockade, transforming this locoregional therapy into a potentially effective systemic treatment for sarcoma and warrants translational evaluation.
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Role of TLR4 in the Modulation of Central Amygdala GABA Transmission by CRF Following Restraint Stress. Alcohol Alcohol 2019; 53:642-649. [PMID: 29309503 PMCID: PMC6203127 DOI: 10.1093/alcalc/agx114] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 12/08/2017] [Indexed: 12/20/2022] Open
Abstract
Aims Stress induces neuroimmune responses via Toll-like receptor 4 (TLR4) activation. Here, we investigated the role of TLR4 in the effects of the stress peptide corticotropin-releasing factor (CRF) on GABAergic transmission in the central nucleus of the amygdala (CeA) following restraint stress. Methods Tlr4 knock out (KO) and wild-type rats were exposed to no stress (naïve), a single restraint stress (1 h) or repeated restraint stress (1 h per day for 3 consecutive days). After 1 h recovery from the final stress session, whole-cell patch-clamp electrophysiology was used to investigate the effects of CRF (200 nM) on CeA GABAA-mediated spontaneous inhibitory postsynaptic currents (sIPSCs). Results TLR4 does not regulate baseline GABAergic transmission in the CeA of naive and stress-treated animals. However, CRF significantly increased the mean sIPSC frequencies (indicating enhanced GABA release) across all genotypes and stress treatments, except for the Tlr4 KO rats that experienced repeated restraint stress. Conclusions Overall, our results suggest a limited role for TLR4 in CRF's modulation of CeA GABAergic synapses in naïve and single stress rats, though TLR4-deficient rats that experienced repeated psychological stress exhibit a blunted CRF cellular response. Short Summary TLR4 has a limited role in CRF's activation of the CeA under basal conditions, but interacts with the CRF system to regulate GABAergic synapse function in animals that experience repeated psychological stress.
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Pre-pregnancy counseling for women with heart disease: A prospective study. Int J Cardiol 2017; 240:374-378. [PMID: 28377190 DOI: 10.1016/j.ijcard.2017.03.092] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 02/09/2017] [Accepted: 03/20/2017] [Indexed: 11/15/2022]
Abstract
BACKGROUND Women with cardiac disease and their infants are at a greater risk of mortality and morbidity during pregnancy. Expert groups recommend preconception counseling (PCC) for all women with cardiac disease so they are made aware of these risks. We have run a specialist maternal cardiac clinic since 1996. The aim of this study was to evaluate the experience of women who have received PCC within an established multidisciplinary tertiary clinic and to establish their views regarding the counseling they received. METHODS Single centre prospective study using a patient questionnaire was given to women attending a specialist cardiac preconception counseling clinic from November 2015 to August 2016, with analysis of descriptive data and free text comments from the questionnaire responders. RESULTS 40/65 returned patient questionnaires. Prior to the consultation fewer than half felt well informed regarding how their heart disease could impact upon pregnancy but a similar proportion felt nonetheless that they would be able to have a healthy pregnancy. Women reported two main areas of concerns, their own health (whether they would survive a pregnancy) and the health of their child. 15% of women reported that these concerns had prevented them from pursuing a pregnancy. Women reported high satisfaction rates with the clinic. CONCLUSIONS There is an increasing demand for PCC services for women with cardiac disease; our study is the first attempt to determine both the acceptability and the impact of PCC from the patient perspective. Patients reported a high level of satisfaction with the service provided.
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2nd BASHH Oxford Diagnostics Course, November 2015. Int J STD AIDS 2016; 27:956462416628782. [PMID: 26787639 DOI: 10.1177/0956462416628782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The second British Association for Sexual Health and HIV Oxford Diagnostics Course of 2015 focussed on recent challenges and emerging concepts within diagnostics and service design. In response to increasing sexually transmitted infection rates and subsequent demand on UK sexual health services, multiple approaches to improving patient flow and reducing waiting times were presented. The value of novel remote sexually transmitted infection testing was explored, with a description of the patient journey, emerging demographics and rates of testing uptake for the UK's leading National Health Service provider. A cost-benefit evaluation was made for the use of nucleic acid amplification tests versus traditional microscopy and culture for detecting Trichomonas vaginalis, with practical consideration of application to higher risk groups. Two speakers stressed the importance of vigilance against growing antimicrobial resistance. The significance of testing for genotypic markers for antimicrobial resistance, and the emergence of point-of-care tests for resistance were also presented. The meeting closed with a first-hand account of tendering, and practical advice on rebuilding professional relationships and services after a competitive process.
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P11.29 Using qualitative research methods to elucidate “emic” constructions of risk and seroadaptive behaviours among men who have sex with men (msm). Br J Vener Dis 2015. [DOI: 10.1136/sextrans-2015-052270.477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Effects of radiotherapy to the jaws. 2: Potential solutions. THE EUROPEAN JOURNAL OF PROSTHODONTICS AND RESTORATIVE DENTISTRY 2013; 21:170-181. [PMID: 24479214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Dental maintenance and rehabilitation of head and neck cancer care is becoming more important as the outcome of cancer treatment improves. The management of these patients can be very difficult for a number of reasons as discussed in part one of this two-part series. This second part attempts to suggest possible solutions for the management of the major oral health problems encountered by these patients during and after their cancer treatment.
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Effects of radiotherapy to the jaws. I: The scale of the problem. THE EUROPEAN JOURNAL OF PROSTHODONTICS AND RESTORATIVE DENTISTRY 2013; 21:161-169. [PMID: 24479213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Cancer care has become one of the main targets of the National Health Service in England and with cancer patients surviving longer, it is likely that head and neck cancer patients will make up a large proportion of patients seen within secondary care settings in the future. The management of these patients can be very difficult for a number of reasons. Part one of this paper attempts to highlight the major oral health problems encountered by these patients during and after their cancer treatment and supported by the current literature. Part two of this series will address the dental management of head and neck oncology patients undergoing radiotherapy with particular attention of possible improvement to current management strategies for these patients.
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Treatment of the edentulous atrophic maxilla using zygomatic implants: evaluation of survival rates over 5-10 years. Int J Oral Maxillofac Surg 2013; 43:237-42. [PMID: 24120903 DOI: 10.1016/j.ijom.2013.08.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2012] [Revised: 05/28/2013] [Accepted: 08/21/2013] [Indexed: 11/17/2022]
Abstract
The aim of this retrospective observational cohort study was to analyse and report the 5-10-year survival rates of endosseous zygomatic implants used in the rehabilitation of the atrophic maxilla. Forty-three consecutive zygomatic implant placements in 25 patients were evaluated over a 5-10-year period. All zygomatic implant surgery was carried out under general anaesthesia. Nobel Biocare zygomatic machined-surface implants were used, and placement was undertaken using the modified sinus slot method. The main outcome measures and determinants for success were survival of the restored implants and the proportion of originally planned prostheses delivered to patients. Of the 25 patients treated, 12 were male and 13 were female; 19 were non-smokers, and the mean age at time of surgery was 64 years. Patients were treatment-planned for implant-retained bridgework, a removable prosthesis retained by fixed cast gold or milled titanium beams, or magnet-retained removable prostheses. A combination of zygomatic and conventional implants was used in all but one patient. In this study it was shown that the overall success rate for zygomatic implants was 86%, with six of the implants either failing to integrate or requiring removal due to persistent infection associated with the maxillary sinus. All patients received their planned prosthesis, although in six cases the method of retention required modification. This study illustrates that zygomatic implants are a successful and important treatment option when trying to restore the atrophic maxilla, with the potential to avoid additional augmentation/grafting procedures and resulting in a high long-term success rate.
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Abstract
B-type natriuretic peptide is known to predict outcome in congestive cardiac failure and myocardial infarction. We aimed to determine whether measurement of B-type natriuretic peptide would predict hospital mortality in patients admitted to an intensive care unit. We conducted a prospective observational cohort study in 78 consecutive patients. Demographics, clinical details and clinical outcomes were recorded. Admission and 24 h B-type natriuretic peptide and cardiac troponin I levels were measured. B-type natriuretic peptide and cardiac troponin I levels taken on intensive care admission and 24 h after admission did not accurately predict hospital mortality for all patients, including patients with severe sepsis or septic shock (all p > 0.05). B-type natriuretic peptide levels were higher in patients with severe sepsis and septic shock (p = 0.02), in patients > or = 65 years (p = 0.04) and in patients with raised creatinine > or = 110 micromol.l(-1) (p = 0.02). We concluded that B-type natriuretic peptide, measured soon after admission to intensive care, does not usefully predict outcome after intensive care.
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Reassessment of the incidence of complex regional pain syndrome type 1 following stroke. Neurorehabil Neural Repair 2001; 14:59-63. [PMID: 11228950 DOI: 10.1177/154596830001400107] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Previous literature has suggested that reflex sympathetic dystrophy, also known as complex regional pain syndrome (CRPS) type 1, is a relatively common finding after a stroke. However, much of this data was obtained before patients routinely received early intensive inpatient rehabilitation. The purpose of this study is to reevaluate the incidence of CRPS type 1 following an acute first stroke. Subjects admitted to an acute rehabilitation setting for stroke with no other concomitant neurologic or orthopedic injuries between October 1, 1996, and May 31, 1997, were studied. At admission and once a week until discharge, subjects were evaluated for shoulder pain, decreased passive range of motion of the shoulder, wrist/hand pain, edema, and skin changes. If three of these five criteria were positive, the subjects underwent a triple-phase bone scan (TPBS). Bone scan findings consistent with CRPS type 1 were taken as confirming the diagnosis. Of 64 subjects, 13 underwent bone scans, with only one positive result. Thus our study revealed a 1.56 percent incidence of CRPS type 1 following a first stroke. This incidence is much lower than the historically accepted 12.5 percent. We speculate that this low figure is related to early comprehensive rehabilitation that included proper upper extremity positioning and early mobilization with sensory stimulation.
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Abstract
The purpose of this study was to dynamically assess the functional outcome of patients who had undergone successful anterior cruciate ligament reconstruction using an autologous patellar tendon technique and to determine whether their dynamic knee function was related to quadriceps and hamstring muscle strength. The knee kinematics and kinetics of 22 subjects who had undergone anterior cruciate ligament reconstruction (mean age, 27 +/- 11 years) and of 22 age- and sex-matched healthy control subjects were determined during various dynamic activities using a computerized motion analysis and force plate system. The differences in the sagittal plane angles and external moments between the two groups during light (walking), moderate (climbing and descending stairs), and higher-demand (jogging, jog and cut, jog and stop) activities were related to isokinetic strength measurements. Although patients who are asymptomatic and functioning well after anterior cruciate ligament reconstruction can perform normally in light activities, higher-demand activities reveal persistent functional adaptations that require further study.
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Delay in specialist consultation in cancer patients. Indian J Cancer 1993; 30:61-6. [PMID: 8225378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A psychiatric evaluation of 75 cases of different types of cancer revealed significant psychological morbidity in 81% of cases. The time lag, if any, between primary diagnosis and presentation to oncologists was noted and the reasons for the delay were ascertained. 62% of patients (N = 47) delayed three months or more and this group also showed significantly greater (p < 0.05) psychological morbidity compared to those who delayed less than three months (N = 28). 89% of patients used denial as a mental defence mechanism and there was no significant difference in the degree of denial displayed by both groups. Psychological reasons such as denial of the illness, fear of cancer, fear of its treatment, and domestic difficulty were commonly cited as causes of delay. It is hoped that addressing these issues will reduce delay and help early detection in cancer programmes.
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X-linked (recessive) hypomaturation amelogenesis imperfecta: a prosthodontic, genetic, and histopathologic report. J Prosthet Dent 1991; 66:398-402. [PMID: 1800740 DOI: 10.1016/0022-3913(91)90270-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A 16-year-old white girl requested esthetic restorations for her teeth. She was a manifesting heterozygote for the X-linked recessive form of amelogenesis imperfecta with hypomaturation defect. Lyonization theory states that in the somatic cells of female mammals, one of the two X chromosomes is randomly inactivated early in development. Therefore, females who are heterozygous for a given X-linked gene will be mosaic with varying proportions of cells in which only one of a particular pair of alleles is active. This mosaicism produced by lyonization ensures considerable phenotypic variability in the clinical expression of X-linked disorders. Histologic examination of the patient's extracted third molars demonstrated the expected lyonization effect. The patient received six porcelain laminate veneered crowns to restore her maxillary incisor and canine teeth. This article represents the first reported use of such restorations to alleviate the cosmetic and functional handicaps that accompany this genetic disease.
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Clouston syndrome: a rare autosomal dominant trait with palmoplantar hyperkeratosis and alopecia. JOURNAL OF CRANIOFACIAL GENETICS AND DEVELOPMENTAL BIOLOGY 1991; 11:176-9. [PMID: 1837030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A caucasian family is reported in which four males and four females in two generations have exhibited alopecia, dysplastic nails, and hyperkeratosis of palmar and plantar surfaces. This type of ectodermal dysplasia, Clouston syndrome, features normal teeth with severe hair and nail dysplasia.
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The use of fiber-optic intraluminal transillumination for saphenous vein harvesting. J Vasc Surg 1988; 8:346-8. [PMID: 3418834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Renal agenesis with meningomyelocele and absence of Müllerian structures. AMERICAN JOURNAL OF MEDICAL GENETICS 1988; 29:441-3. [PMID: 3354617 DOI: 10.1002/ajmg.1320290229] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Abstract
We have developed two new fiberoptic instructions for outlining the anatomic characteristics of the extrahepatic biliary tree. By transilluminating the common and cystic ducts and duodenum, any obstruction or pathologic abnormalities can be visualized and located. These instruments can be used instead of intraoperative cholangiography when indicated.
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Immediate surgical obturator--a case report. JOURNAL OF THE INDIAN DENTAL ASSOCIATION 1985; 57:302-4. [PMID: 3869156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Successful outcome following a disrupted Björk-Shiley prosthetic mitral valve. Tex Heart Inst J 1985; 12:111-6. [PMID: 15227050 PMCID: PMC341808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
This report describes an early diagnosis and successful correction of a disrupted "improved" Björk-Shiley prosthetic valve in the mitral position. The role of 2-Dimensional echocardiography in the diagnosis is emphasized.
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Determination of residual monomer in polymerised acrylic denture base resins. JOURNAL OF THE INDIAN DENTAL ASSOCIATION 1983; 55:185-7, 196. [PMID: 6582142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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