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Pediatric Functional Rhinoplasty. Facial Plast Surg 2023; 39:660-667. [PMID: 37619608 DOI: 10.1055/s-0043-1772576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023] Open
Abstract
Surgery on the growing pediatric nose poses many questions regarding the indications and proper timing. Historically, surgeries on the pediatric nose led to facial growth alterations so many urged caution and waiting until skeletal maturity at the age of 18. However, animal studies showed some promise that facial growth may not be affected. Investigations into effects of pediatric sinus surgery and septal surgery on facial growth showed no issues. The external nose is somewhat different in that minor variations potentially can grow to a cosmetic deformity. However, numerous studies on facial growth show, to date, that it is not affected, and that surgery is safe. The caveat that one uses is the techniques of cartilage sparing and preservation, which have been studied and shown to be safe. There are ways to measure the effectiveness of surgery in relieving nasal airway obstruction both objectively and, more recently, subjectively. It is essential to treat pediatric nasal airway obstruction to avoid other facial growth problems, such as mouth breathing, snoring, malocclusion, and obstructive sleep apnea.
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Conducting polymer hydrogels with electrically-tuneable mechanical properties as dynamic cell culture substrates. BIOMATERIALS ADVANCES 2022; 134:112559. [PMID: 35527144 DOI: 10.1016/j.msec.2021.112559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 01/06/2023]
Abstract
Hydrogels are a popular substrate for cell culture due to their mechanical properties closely resembling natural tissue. Stimuli-responsive hydrogels are a good platform for studying cell response to dynamic stimuli. Poly(N-isopropylacrylamide) (pNIPAM) is a thermo-responsive polymer that undergoes a volume-phase transition when heated to 32 °C. Conducting polymers can be incorporated into hydrogels to introduce electrically responsive properties. The conducting polymer, polypyrrole (PPy), has been widely studied as electrochemical actuators due to its electrochemical stability, fast actuation and high strains. We determine the volume-phase transition temperature of pNIPAM hydrogels with PPy electropolymerised with different salts as a film within the hydrogel network. We also investigate the electro-mechanical properties at the transition temperature (32 °C) and physiological temperature (37 °C). We show statistically significant differences in the Young's modulus of the hybrid hydrogel at elevated temperatures upon electrochemical stimulation, with a 5 kPa difference at the transition temperature. Furthermore, we show a three-fold increase in actuation at transition temperature compared to room temperature and physiological temperature, attributed to the movement of ions in/out of the PPy film that induce the volume-phase transition of the pNIPAM hydrogel. Furthermore, cell adhesion to the hybrid hydrogel was demonstrated with mouse articular chondrocytes.
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In-situ SAXS investigation of high-pressure triglyceride polymorphism in milk cream and anhydrous milk fat. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pain expectancy, prevalence, severity, and patterns following donor nephrectomy: Findings from the KDOC Study. Am J Transplant 2020; 20:2522-2529. [PMID: 32185880 PMCID: PMC7483675 DOI: 10.1111/ajt.15861] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/14/2020] [Accepted: 03/03/2020] [Indexed: 01/25/2023]
Abstract
Postoperative pain is an outcome of importance to potential living kidney donors (LKDs). We prospectively characterized the prevalence, severity, and patterns of acute or chronic postoperative pain in 193 LKDs at six transplant programs. Three pain measurements were obtained from donors on postoperative Day (POD) 1, 3, 7, 14, 21, 28, 35, 41, 49, and 56. The median pain rating total was highest on POD1 and declined from each assessment to the next until reaching a median pain-free score of 0 on POD49. In generalized linear mixed-model analysis, the mean pain score decreased at each pain assessment compared to the POD3 assessment. Pre-donation history of mood disorder (adjusted ratio of means [95% confidence interval (CI)]: 1.40 [0.99, 1.98]), reporting "severe" on any POD1 pain descriptors (adjusted ratio of means [95% CI]: 1.47 [1.12, 1.93]) and open nephrectomy (adjusted ratio of means [95% CI]: 2.61 [1.03, 6.62]) were associated with higher pain scores across time. Of the 179 LKDs who completed the final pain assessment, 74 (41%) met criteria for chronic postsurgical pain (CPSP), that is, any donation-related pain on POD56. Study findings have potential implications for LKD education, surgical consent, postdonation care, and outcome measurements.
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Can we see what is invisible? The role of MRI in the evaluation and management of patients with pathological nipple discharge. Breast 2019. [DOI: 10.1016/s0960-9776(19)30203-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Mood, body image, fear of kidney failure, life satisfaction, and decisional stability following living kidney donation: Findings from the KDOC study. Am J Transplant 2018; 18:1397-1407. [PMID: 29206349 PMCID: PMC5988866 DOI: 10.1111/ajt.14618] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 11/02/2017] [Accepted: 11/29/2017] [Indexed: 01/25/2023]
Abstract
Prior studies demonstrate that most living kidney donors (LKDs) report no adverse psychosocial outcomes; however, changes in psychosocial functioning at the individual donor level have not been routinely captured. We studied psychosocial outcomes predonation and at 1, 6, 12, and 24 months postdonation in 193 LKDs and 20 healthy controls (HCs). There was minimal to no mood disturbance, body image concerns, fear of kidney failure, or life dissatisfaction, indicating no incremental changes in these outcomes over time and no significant differences between LKDs and HCs. The incidence of any new-onset adverse outcomes postdonation was as follows: mood disturbance (16%), fear of kidney failure (21%), body image concerns (13%), and life dissatisfaction (10%). Multivariable analyses demonstrated that LKDs with more mood disturbance symptoms, higher anxiety about future kidney health, low body image, and low life satisfaction prior to surgery were at highest risk of these same outcomes postdonation. It is important to note that some LKDs showed improvement in psychosocial functioning from pre- to postdonation. Findings support the balanced presentation of psychosocial risks to potential donors as well as the development of a donor registry to capture psychosocial outcomes beyond the mandatory 2-year follow-up period in the United States.
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Assessing cetacean surveys throughout the Mediterranean Sea: a gap analysis in environmental space. Sci Rep 2018; 8:3126. [PMID: 29449646 PMCID: PMC5814436 DOI: 10.1038/s41598-018-19842-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 01/09/2018] [Indexed: 11/20/2022] Open
Abstract
Heterogeneous data collection in the marine environment has led to large gaps in our knowledge of marine species distributions. To fill these gaps, models calibrated on existing data may be used to predict species distributions in unsampled areas, given that available data are sufficiently representative. Our objective was to evaluate the feasibility of mapping cetacean densities across the entire Mediterranean Sea using models calibrated on available survey data and various environmental covariates. We aggregated 302,481 km of line transect survey effort conducted in the Mediterranean Sea within the past 20 years by many organisations. Survey coverage was highly heterogeneous geographically and seasonally: large data gaps were present in the eastern and southern Mediterranean and in non-summer months. We mapped the extent of interpolation versus extrapolation and the proportion of data nearby in environmental space when models calibrated on existing survey data were used for prediction across the entire Mediterranean Sea. Using model predictions to map cetacean densities in the eastern and southern Mediterranean, characterised by warmer, less productive waters, and more intense eddy activity, would lead to potentially unreliable extrapolations. We stress the need for systematic surveys of cetaceans in these environmentally unique Mediterranean waters, particularly in non-summer months.
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Collective plasmonic oscillations in gold nanostrips arrays. OPTICS EXPRESS 2017; 25:17581-17588. [PMID: 28789250 DOI: 10.1364/oe.25.017581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 06/23/2017] [Indexed: 06/07/2023]
Abstract
Excitation of collective plasmonic modes and their effect on optical behavior are experimentally and theoretically studied in 1D arrays of gold nanostrips in comparison with continuous gold films with periodically modulated profile. In strips, the angular dependence of the reflectivity demonstrates a peak at the resonance condition as opposed to a dip observed in continuous sine wave gratings. In addition, an extremely narrow feature in the reflection is observed in strips and tentatively ascribed to the bright Wood-Rayleigh anomaly. Theoretical calculations based on the combined transfer-matrix coupled-wave analysis and coordinate transformation method are shown to fit the experimental angular and spectral behavior of the plasmonic resonances. The effects are also discussed in terms of a simple equivalent circuit model.
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Abstract
The skin of the lower extremity can be a helpful diagnostic tool for systemic disease. Diabetes, renal disease, genetic disorders, and even cancer can have cutaneous manifestations in the legs and feet; moreover, proper diagnosis can facilitate earlier treatment of these diseases and not only clear up the skin symptoms but also bring about resolution of the systemic disease causing them. Although not comprehensive, this article discusses many of these disorders presenting with integumentary manifestations in the lower extremities. Where appropriate, it also enumerates the treatments involved, both systemic and localized.
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CP-129 Concentration of ciprofloxacin in tissue of patients suffering from peripheral arterial disease. Eur J Hosp Pharm 2016. [DOI: 10.1136/ejhpharm-2016-000875.129] [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] Open
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Direct and Indirect Costs Following Living Kidney Donation: Findings From the KDOC Study. Am J Transplant 2016; 16:869-76. [PMID: 26845630 DOI: 10.1111/ajt.13591] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 09/11/2015] [Accepted: 09/23/2015] [Indexed: 01/25/2023]
Abstract
Some living kidney donors (LKDs) incur costs associated with donation, although these costs are not well characterized in the United States. We collected cost data in the 12 mo following donation from 182 LKDs participating in the multicenter prospective Kidney Donor Outcomes Cohort (KDOC) Study. Most LKDs (n = 167, 92%) had one direct cost or more following donation, including ground transportation (86%), health care (41%), meals (53%), medications (36%), lodging (23%), and air transportation (12%). LKDs missed 33 072 total work hours, 40% of which were unpaid and led to $302 175 in lost wages (mean $1660). Caregivers lost $68 655 in wages (mean $377). Although some donors received financial assistance, 89% had a net financial loss in the 12-mo period, with one-third (33%) reporting a loss exceeding $2500. Financial burden was higher for those with greater travel distance to the transplant center (Spearman's ρ = 0.26, p < 0.001), lower household income (Spearman's ρ = -0.25, p < 0.001), and more unpaid work hours missed (Spearman's ρ = 0.52, p < 0.001). Achieving financial neutrality for LKDs must be an immediate priority for the transplant community, governmental agencies, insurance companies, nonprofit organizations, and society at large.
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Predonation Direct and Indirect Costs Incurred by Adults Who Donated a Kidney: Findings From the KDOC Study. Am J Transplant 2015; 15:2387-93. [PMID: 25943721 PMCID: PMC5097875 DOI: 10.1111/ajt.13286] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 02/22/2015] [Accepted: 02/26/2015] [Indexed: 01/25/2023]
Abstract
Limited information exists on the predonation costs incurred by eventual living kidney donors (LKDs). Expenses related to completion of the donation evaluation were collected from 194 LKDs participating in the multi-center, prospective Kidney Donor Outcomes Cohort (KDOC) Study. Most LKDs (n = 187, 96%) reported one or more direct costs, including ground transportation (80%), healthcare (24%), lodging (17%) and air transportation (14%), totaling $101 484 (USD; mean = $523 ± 942). Excluding paid vacation or sick leave, donor and companion lost wages totaled $35 918 (mean = $187 ± 556) and $14 378 (mean = $76 ± 311), respectively. One-third of LKDs used paid vacation or sick leave to avoid incurring lost wages. Few LKDs reported receiving financial support from the transplant candidate (6%), transplant candidate's family (3%), a nonprofit organization (3%), the National Living Donor Assistance Center (7%), or transplant center (3%). Higher total costs were significantly associated with longer distance traveled to the transplant center (p < 0.001); however, total costs were not associated with age, sex, race/ethnicity, household income, marital status, insurance status, or transplant center. Moderate predonation direct and indirect costs are common for adults who complete the donation evaluation. Potential LKDs should be advised of these possible costs, and the transplant community should examine additional strategies to reimburse donors for them.
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Sublingual Tacrolimus Is a Safe, Cost Effective Alternative to Intravenous Tacrolimus in Kidney Transplant Recipients. Transplantation 2014. [DOI: 10.1097/00007890-201407151-02315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Modification of electric and magnetic dipole emission in anisotropic plasmonic systems. OPTICS EXPRESS 2013; 21:23087-23096. [PMID: 24104224 DOI: 10.1364/oe.21.023087] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
In order to investigate the effects of plasmonic environments on spontaneous emission of magnetic and electric dipoles, we have studied luminescence of Eu³⁺ ions in close vicinity to gold nanostrip arrays. Significant changes in the emission kinetics, emission polarization, and radiation patterns have been observed in the wavelength range corresponding to the plasmonic resonance. The effect of the plasmonic resonance on the magnetic dipole transition ⁵D₀-->⁷F₁ is found to be very different from its effect on the electric dipole transitions. This makes Eu³⁺₋ containing complexes promising for mapping local distributions of magnetic and electric fields in metamaterials and plasmonic systems.
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Towards a Smokefree Europe. Eur J Public Health 2013. [DOI: 10.1093/eurpub/ckt124.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Organizational commitment and users’ perception of ease of use: a study among bank managers. JOURNAL OF MANAGEMENT DEVELOPMENT 2013. [DOI: 10.1108/02621711311326356] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abstract
BACKGROUND Anaplastic carcinoma arising within a mucinous ovarian neoplasm is rare, with only about 30 reported cases. Reported cases have given a broad age range, ranging from 17 to 72 years of age, but occurrence in adolescents is exceptional, with only a few cases reported. CASE We report a case of anaplastic carcinoma arising in a mucinous cystadenocarcinoma in a 17-year-old female who presented with severe abdominal pain, an unusual symptom for an ovarian malignancy in the postmenopausal patient, but not in the adolescent. The patient had widespread metastases at the time of presentation, consistent with the aggressive behavior of this neoplasm. CONCLUSIONS This case illustrates that, although rare, epithelial ovarian malignancy is in the differential diagnosis of abdominal pain in an adolescent.
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Abstract
Atrophic gastritis caused by Helicobacter pylori is the precursor lesion in the development of intestinal-type gastric adenocarcinoma. In animal models, atrophic gastritis induced by Helicobacter felis has been shown to be host dependent, developing in some mouse strains and not in others. The lipopolysaccharide (LPS) of H. pylori has been suggested to play a role in the induction of gastritis. The goal of this study was to compare the inflammation induced by long-term infection of the C3H/He and the C3H/HeJ strains of mice with H. felis. C3H/HeJ mice are unresponsive to LPS. Six months after infection, severe atrophic gastritis had developed in the body mucosae of all infected C3H/He mice, with replacement of parietal and chief cells. Atrophy was associated with a loss of the H. felis from the antral mucosa. In contrast, no atrophy was seen in the infected C3H/HeJ non-LPS responder animals, and heavy colonization of the antrum remained. There were no significant differences between both the quantitative and qualitative serum immunoglobulin G (IgG) and salivary IgA levels in both strains of mice. The main difference between the two strains of long-term-infected mice was a lack of macrophage infiltration in the lamina propria. Immunization induced good protective immunity to challenge with viable H. felis. Helicobacter-induced, host-dependent gastritis is likely to be cell mediated. The C3H/He and C3H/HeJ mouse model provides an excellent opportunity to investigate the cellular basis of atrophic gastritis.
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Renal revascularisation by gastroduodenal-renal bypass as treatment of renal artery stenosis. IRISH MEDICAL JOURNAL 1997; 90:23-4. [PMID: 9230557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report the case of a 63 year old hypertensive male who presented with acute renal failure following treatment of his hypertension with the ACE antagonist, captopril. He was documented to have bilateral renal artery stenosis, which was treated by left renal artery angioplasty and revascularisation of the right kidney by anastomosis of the right renal artery to the superior gastroduodenal branch of the hepatic artery. Postoperatively, he made an excellent recovery, with restoration of his renal function to normal and improved control of his hypertension.
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Atrophic gastric changes in both Helicobacter felis and Helicobacter pylori infected mice are host dependent and separate from antral gastritis. Gut 1996; 39:639-48. [PMID: 9026476 PMCID: PMC1383385 DOI: 10.1136/gut.39.5.639] [Citation(s) in RCA: 176] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND/AIMS The role of host factors has been neglected in studies of the pathogenesis of Helicobacter associated disease. The aim of this study was to assess the response of different mouse strains to infection with a single strain of Helicobacter felis. METHOD Six strains of inbred mice were infected with the identical H felis culture and were killed at one month, two months, and six months after infection to assess histopathological changes. In addition, two strains of mice were infected with a mouse adapted strain of H pylori and examined at six months after infection. RESULTS In SJL, C3H/He, DBA/2, and C57BL/6 infected mice, severe to moderate chronic active gastritis was observed only in the body of the stomach, which increased in severity over time with specialised cells in the body glands being replaced. As the severity of this damage in the body increased and atrophic changes were seen, the level of bacterial colonisation of the antrum decreased. In contrast, in BALB/c and CBA mice, there was only mild gastritis in the antrum, no remarkable changes were detected in their body mucosa, and no atrophy was seen over time. In both these strains of mice, heavy bacterial colonisation was seen, which tended to increase over the period of the experiment. Of particular importance in this experiment was that bacterial colonisation was mainly restricted to the antrum yet the atrophy, when present, was only observed in the body of the stomach. H pylori infected C3H/He mice showed moderate colonisation of the antrum, which persisted up to six months with little development of atrophy. In contrast, H pylori in C57BL/6 mice showed excellent colonisation of the antrum at two months but six months after infection there was moderate to severe body atrophy, which was associated with a loss of bacteria from the antrum. CONCLUSIONS These findings challenge current concepts of the development of Helicobacter induced atrophy in that active chronic gastritis of antrum or the body mucosa, or both, is not a prerequisite. They also suggest an autoimmune basis for the pathology although no autoantibody or antibody to the H+/K+ ATPase was detected. Loss of infecting helicobacters from the stomach together with development of an atrophic gastritis in the body of the stomach is similar to the pattern found in certain H pylori infected human subjects.
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Abstract
Severe hypothermia is associated with serious patient morbidity and mortality. The groups most frequently affected are the elderly, the very young and substance abusers. We describe three such cases which were successfully treated using warmed peritoneal dialysis. Two patients recovered completely and were left with no long term deficits. The third patient recovered from the acute event, but succumbed later to an underlying medical condition. Warmed peritoneal lavage is an efficient, cost effective approach which is easily performed without specialist equipment, and involves minimal risk to the patient.
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Glomerulonephritis after ventriculo-atrial shunt. QJM 1995; 88:911-8. [PMID: 8593552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
We describe five patients with glomerulonephritis (GN) associated with cerebrospinal fluid shunt insertion to relieve hydrocephalus. A ventriculo-atrial (V-A) shunt had been placed on average 12.5 years prior to the diagnosis of nephritis (range 0.5-21 years). Four patients developed membranoproliferative glomerulonephritis (MPGN) with associated hypocomplementaemia. A single patient developed focal proliferative glomerulonephritis. Coagulase-negative staphylococci were cultured in four patients, either from blood or from the shunt. Four patients had their shunts removed, two of whom also received antibiotics. The other patient received antibiotics alone for infective endocarditis due to staphylococcal bacteraemia which originated in the shunt. All patients had substantial renal impairment at the time of diagnosis (GFR, glomerular filtration rate, 20-45 ml/min). There was significant improvement in renal function after appropriate treatment; four of the five patients doubled their GFRs and two patients regained normal function.
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Irish nephrological society. Ir J Med Sci 1995. [DOI: 10.1007/bf02967210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
The suicide attitude in a group of 34 postmastectomy patients was much more marked than in two control groups consisting of 103 medical patients and in 40 healthy subjects, respectively. In a limited sample comprising 23 subjects obtained by excluding the extreme percentile values, certain psychosocial variables (irritability, psychoticism, number of confidants, number of persons in the same household) were observed to be significantly associated with the suicide attitude in postmastectomy patients. On the other hand, no differences were evident, both regarding the interval of time following initial diagnosis and between married and single patients.
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