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1.
Shoulder Elbow ; 15(4 Suppl): 53-62, 2023 Nov.
Article in English | MEDLINE | ID: mdl-37974605

ABSTRACT

Background: Reverse shoulder arthroplasty (RSA) was initially developed for rotator cuff arthropathy but has been expanded to treat comminuted proximal humerus fractures. Few studies have compared RSA for traumatic and degenerative indications. We present the first report of mid-term outcomes of RSA comparing both indications in an Asian population. Methods: 113 degenerative and 20 fracture patients underwent RSA from 2010 to 2019. Patients with degenerative indications were 4:1 propensity-score matched to fractures and adjusted for age and sex. Patients were assessed for range of motion (ROM), strength, pain, Constant-Murley score (CMS), University of California Los Angeles Shoulder Score (UCLA) and Oxford shoulder score (OSS) preoperatively, at 6-months and 1-year. Patients' satisfaction, expectation fulfilment and minimal clinically important difference (MCID) were analysed. Results: Degenerative patients had better ROM, isometric strength and CMS at 6-months, although at 1-year only abduction was superior (104.8 ± 17.3° vs 86.7 ± 19.8°). No significant differences in pain, UCLA and OSS were observed. Most improvements occurred within 6 months. Similar proportions of patients were satisfied (83.3% vs 73.3%, p = 0.460) and attained MCID (85.0% vs 86.7%, p = 1.000) at 1-year. Discussion: Although initially exhibiting slower recovery, patients with proximal humerus fractures can expect similar functional recovery and satisfaction at 1-year compared to those who received RSA for degenerative indications.

2.
JSES Rev Rep Tech ; 3(3): 370-375, 2023 Aug.
Article in English | MEDLINE | ID: mdl-37588485

ABSTRACT

Background: Approaches to surgical treatment to cubital tunnel syndrome include simple decompression, decompression with medial epicondylectomy, and decompression with anterior transposition of the ulnar nerve. Transposition of the ulnar nerve involves decompression and transposition of the nerve anteriorly to a subcutaneous, intramuscular, or submuscular position. However, transposing the ulnar nerve to subcutaneous plane renders it more susceptible to external trauma. Hence, this technique article introduces the use of a modified fascial sling. Methodology: The modified fascial sling technique for anterior transposition of the ulnar nerve involves careful dissection to identify the ulnar nerve, decompression of the nerve, then transposition of the ulnar nerve anterior to the medial epicondyle. An AlloWrap (Stryker, Kalamazoo, MI, USA) is first wrapped around the ulnar nerve, followed by wrapping a fascial sling fashioned from the flexor carpi ulnaris fascia. A prospective case series for this surgical technique was conducted. Wilcoxon signed-rank test compared preoperative and postoperative qDASH-9 scores, an abbreviated questionnaire to assess functional limitations of the upper limb. Results: Five patients were included in this study, with a mean duration of follow-up of 530.4 days. The mean QuickDASH-9 functional disability score was 36.5 ± 25.1 preoperatively and 20.6 ± 12.8 postoperatively, demonstrating statistically significant improvement (P = .008). Conclusion: The modified fascial sling technique for anterior transposition of the ulnar nerve was developed to address the complications of perineural adhesions after transposition causing tethering of the ulnar nerve. At the same time, the fascial sling prevents posterior subluxation of the ulnar nerve back to its original location, thereby reducing the risk of recurrent symptoms.

3.
Singapore Med J ; 63(8): 433-438, 2022 08.
Article in English | MEDLINE | ID: mdl-33866709

ABSTRACT

Introduction: Arthroscopic Bankart repair is a widely accepted procedure to treat recurrent shoulder dislocation. This study aims to describe our experience with arthroscopic Bankart repair and its functional outcome. Methods: 107 patients who underwent arthroscopic Bankart repair from 2008 to 2013 were followed up for a minimum of three years and reviewed by an independent observer. 80 consented to being interviewed using the Oxford Shoulder Instability Score (OSIS) and Simple Shoulder Test. Results: 82 shoulders (two bilateral) were studied. Mean age at first dislocation was 19.4 ± 3.4 (12.0-31.0) years. Mean follow-up was 4.4 ± 1.3 (3.0-9.0) years and 2.5 ± 3.0 (0.1-15.4) years elapsed from first dislocation to surgery. 41 (50.0%) patients played overhead or contact sports and 44 (53.7%) played competitive sports before injury; 8 (9.8%) patients reported recurrence of dislocation, which was significantly associated with playing competitive sports before injury (p <0.039), 5 (6.1%) underwent revision surgery and 22 (26.8%) reported residual instability after surgery. 49 (59.8%) patients returned to playing sports, 75 (91.5%) were satisfied with their surgery and 79 (96.3%) were willing to undergo the surgery again. 74 (90.2%) patients had two-year good/excellent OSIS, which was significantly associated with playing competitive sports before injury (p = 0.039), self-reported stability after surgery (p = 0.017), satisfaction with surgery (p = 0.018) and willingness to undergo surgery again (p = 0.024). Conclusion: Arthroscopic Bankart repair yields good functional outcomes and is associated with high patient satisfaction, although not all patients return to sports.


Subject(s)
Joint Instability , Shoulder Dislocation , Shoulder Joint , Humans , Adolescent , Young Adult , Adult , Shoulder Dislocation/surgery , Shoulder Dislocation/complications , Joint Instability/surgery , Shoulder Joint/surgery , Return to Sport , Patient Satisfaction , Retrospective Studies , Recurrence , Arthroscopy/methods
4.
Orthop J Sports Med ; 9(4): 2325967121998273, 2021 Apr.
Article in English | MEDLINE | ID: mdl-33997061

ABSTRACT

BACKGROUND: Scapulothoracic bursitis is a significant clinical condition that limits day-to-day function. Arthroscopic scapular debridement and resection have provided satisfactory outcomes; however, techniques, approaches, and recommendations remain varied. Novel bony parameters have also gained increasing interest owing to their value in preoperative planning. PURPOSE: To assess midterm clinical outcomes after the arthroscopic management of scapulothoracic bursitis and to identify and measure novel bony parameters on preoperative magnetic resonance imaging. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A total of 8 patients underwent arthroscopic scapular debridement and bursectomy; 5 of the 8 patients underwent additional medial scapulectomy. There were 5 male (62.5%) and 3 female (37.5%) patients with a mean age of 30.1 ± 12.3 years (range, 19-58 years). Inclusion criteria for surgery were patients with symptomatic scapulothoracic bursitis for whom extensive nonoperative modalities had been utilized for at least 6 months but failed. Outcome measures included the Oxford Shoulder Score (OSS), University of California Los Angeles (UCLA) shoulder rating scale, Constant Shoulder Score (CSS), and visual analog scale (VAS) for pain. The bony parameters included scapular shape, anterior offset, costomedial angle, and medial scapular corpus angle (MSCA). RESULTS: The follow-up duration was at least 2 years for all patients (mean follow-up, 25.0 ± 4.1 months [range, 24-35 months]). The majority of patients had a concave-shaped scapula (62.5%). The mean anterior offset was 24.3 ± 3.4 mm, and the mean costomedial angle was 132.3° ± 9.6°. Half the patients had a positive MSCA, while the other half had a negative MSCA. A statistically significant improvement was observed in the OSS, UCLA, CSS, and VAS scores from preoperatively to 2-year follow-up (P < .001 for all). No complications were observed. CONCLUSION: Arthroscopic scapular debridement and resection provided satisfactory midterm clinical outcomes for the treatment of scapulothoracic bursitis.

5.
Orthop Traumatol Surg Res ; 107(8): 102871, 2021 12.
Article in English | MEDLINE | ID: mdl-33639289

ABSTRACT

INTRODUCTION: Live surgery has always been an invaluable part of medical education. Live Surgery Events (LSE) have recently been criticized in France, arguing that unnecessary risks have been placed on the patients. HYPOTHESIS: We want to report our experience in organizing the last 7 shoulder LSE over the past 12 years focusing on the results and complications during and after the surgeries performed during these courses. MATERIAL AND METHODS: 190 patients benefited from live shoulder surgery between 2005 and 2017. 11 of them were lost to follow up, thus 179 patients were included. The mean follow-up was 7,5 years for the instability group, 6,7 years for the rotator cuff group, 7,5 years for the arthroplasty group and 6,8 years for the nerve group. This study is a retrospective analysis of prospectively collected data. We report the epidemiology of the surgeries perfomed and analyzed the patient outcomes: peri and postoperative complications. We evaluated the educational benefit for the attendees of this shoulder LSE through a questionnaire. RESULTS: There were 6 (3.1%) peri or immediate postoperative complications. There were 33 (18%) long term complications needing 26 (14%) revisions. 90% of the surgeons audience attending the events evaluated the educational benefit from good to very good. DISCUSSION: Over the years, we have standardized the organization of the meeting to ensure maximum safety, while still respecting patient integrity and anonymity. Our complications rates seem within the ranges found in the current literature for each procedure. Our LSE has been an instrument for education, but also for matching patients with complex problems with experienced surgeons, to the benefit of the patient. Our experience has shown that LSE may induce potential dangers and complications can arise. However, these events should follow rigorous rules and not just recommendations. LEVEL OF EVIDENCE: IV; retrospective analysis of prospectively collected data.


Subject(s)
Orthopedic Procedures , Orthopedics , Rotator Cuff Injuries , Shoulder Joint , France/epidemiology , Humans , Orthopedic Procedures/adverse effects , Postoperative Complications/etiology , Retrospective Studies , Rotator Cuff Injuries/surgery , Shoulder Joint/surgery , Treatment Outcome
6.
Ther Clin Risk Manag ; 16: 357-368, 2020.
Article in English | MEDLINE | ID: mdl-32440134

ABSTRACT

BACKGROUND: Conversion of arthrodesed hips to total hip arthroplasty (THA) remains technically demanding. This study aims to evaluate the safety and efficacy of robot-assisted THA in arthrodesed hips. METHODS: We retrospectively analyzed 45 ankylosing spondylitis patients with hip arthrodesis in the Chinese PLA General Hospital between August 2018 and August 2019. All surgeries were carried out by one single surgeon. The patients were followed at 3 months after surgery. Gender, body mass index, angle of hip arthrodesis, operating time, intraoperative fluoroscopic times, postoperative length of hospitalization, cup positioning, postoperative leg length discrepancy, offset discrepancy, intraoperative and postoperative complications, and postoperative Harris Hip Score were collected for all patients. RESULTS: Twenty-two patients (35 hips) who underwent robot-assisted THA and 23 patients (37 hips) who underwent manual THA were enrolled in this study. There were no significant differences in demographics and arthrodesed angles between the two groups. The fluoroscopic times during manual THA were significantly higher than those during robot-assisted THA (2.16±1.61 vs 0.47±0.61, respectively, p=0.000). In the robotic group, the percentage of acetabular cups within the safe zone was significantly greater than in the manual group (94.29% vs 67.56%, respectively, p=0.042). For manual THA, the anteversions were significantly different between the left and right sides (21.14±7.86 vs 16.00±6.32, respectively, p=0.042); however, no such significant difference was found in robot-assisted THA. CONCLUSION: Compared with manual THA for arthrodesed hips, robot-assisted THA had significant advantages in improving the frequency of achieving cup positioning within the target zone with diminished radiation dose and no increase in operating time.

7.
Orthop Surg ; 12(2): 686-691, 2020 Apr.
Article in English | MEDLINE | ID: mdl-32212227

ABSTRACT

BACKGROUND: There is a lack of data concerning the use of robotic devices in more complex total hip arthroplasty (THA) cases, such as hip dysplasia, ankylosing spondylolysis, and post-traumatic arthritis. CASE PRESENTATION: This case study presented three cases in which the Mako robotic device was used to help accurately implement the surgical plan. The operations went smoothly. The position and angle of the acetabular shells were placed as planned without any complications related to the operation. Postoperative Harris Hip Scores were good in two patients and poor in the patient with ankylosing spondylitis. Robotic-arm assisted surgery may be considered for complex THA cases in order to optimize the accuracy of the reconstruction, especially in the absence of conventional boney landmarks.


Subject(s)
Arthroplasty, Replacement, Hip/instrumentation , Robotic Surgical Procedures/methods , Adult , Female , Hip Dislocation, Congenital/surgery , Humans , Male , Middle Aged , Spondylitis, Ankylosing/surgery
8.
J Orthop ; 19: 54-58, 2020.
Article in English | MEDLINE | ID: mdl-32021037

ABSTRACT

AIM: To study the effect of obesity on clinical and radiographic outcomes of computer-navigated knee arthroplasty. MATERIALS AND METHODS: 117 patients underwent primary computer-navigated total knee arthroplasty. Eight were lost to follow-up and 8 had incomplete data. RESULTS: Eighty-four (83.2%) female, 17 (16.8%) male patients age 65.3 ±â€¯6.9 years with a pre-operative BMI 27.2 ±â€¯4.1 (18.6-40.0) kg/m2, 7.3 ±â€¯0.98 years follow-up. Forty-two (41.6%) had a BMI>27.5 kg/m2 indicative of obesity in Singapore. Post-operative radiographic alignment, 2-year Oxford knee scores and ROM were not significantly associated with BMI. CONCLUSION: BMI is not a determinant of functional scores when computer navigation is used.

9.
J Am Acad Orthop Surg Glob Res Rev ; 2(2): e084, 2018 Feb.
Article in English | MEDLINE | ID: mdl-30211379

ABSTRACT

INTRODUCTION: Constrained condylar knee (CCK) prostheses are commonly used in difficult primary total knee arthroplasty and revision total knee arthroplasty. We postulate that the use of CCK prostheses in primary knee arthroplasty may result in decreased range of motion but with better patient-reported functional scores compared with primary posterior stabilized (PS) knee prostheses because of increased varus and valgus stability from increased constraint. METHODS: We conducted a case-control study using prospectively collected data on functional outcome scores and range of motion preoperatively and at 6 months and at 2 years. Thirty-eight patients with primary CCK arthroplasty were matched with 38 patients with primary PS knee arthroplasty treated by a single surgeon. Institutional review board approval was obtained. Analysis was done using the independent t-test. RESULTS: Total 76 patients with 61 (80.3%) female patients, 30 (39.5%) left knees, and 9 (11.8%) valgus knees. There was no significant difference in preoperative age (CCK arthroplasty 70.7 ± 6.0 years versus PS knee arthroplasty 68.5 ± 5.2 years; P < 0.085), body mass index (27.2 ± 4.4 versus 26.3 ± 5.2; P < 0.44), Oxford Knee Score (35.8 ± 7.8 versus 36.0 ± 7.6; P < 0.92), and Medical Outcomes Study 12-Item Short Form (SF-36) scores and knee extension (8.0° ± 6.7° versus 7.7° ± 7.6°; P < 0.84). There was no significant difference in preoperative knee flexion (106.0° ± 22.9° versus 117.3° ± 20.1°; P < 0.026). There was no significant difference in 6-month knee extension (4.5° ± 6.8° versus 4.1° ± 4.5°; P < 0.80), knee flexion (110.5° ± 15.8° versus 110.9° ± 15.5°; P < 0.92), Oxford Knee Score (18.9° ± 3.4° versus 20.1° ± 5.3°; P < 0.27), and SF-36 scores. There was no significant difference in 2-year knee extension (1.8° ± 5.7° versus 1.5° ± 4.0°; P < 0.82), knee flexion (111.3° ± 13.6° versus 115.0° ± 16.5°; P < 0.30), Oxford Knee Score (18.5° ± 3.7° versus 18.2° ± 4.2°; P < 0.77), and SF-36 scores. CONCLUSION: The use of CCK prostheses in primary knee arthroplasty gives similar clinical and functional outcomes at 2 years as those of PS knee prostheses, despite increased constraint.

10.
World J Orthop ; 9(6): 85-91, 2018 Jun 18.
Article in English | MEDLINE | ID: mdl-29984195

ABSTRACT

AIM: To compare the measurements of knee rotation laxity by non-invasive skin pointer with a knee rotation jig in cadaveric knees against a skeletally mounted marker. METHODS: Six pairs of cadaveric legs were mounted on a knee rotation jig. One Kirscher wire was driven into the tibial tubercle as a bone marker and a skin pointer was attached. Rotational forces of 3, 6 and 9 nm applied at 0°, 30°, 45°, 60° and 90° of knee flexion were analysed using the Pearson correlation coefficient and paired t-test. RESULTS: Total rotation recorded with the skin pointer significantly correlated with the bone marker at 3 nm at 0° (skin pointer 23.9 ± 26.0° vs bone marker 16.3 ± 17.3°, r = 0.92; P = 0.0), 30° (41.7 ± 15.5° vs 33.1 ± 14.7°, r = 0.63; P = 0.037), 45° (49.0 ± 17.0° vs 40.3 ± 11.2°, r = 0.81; P = 0.002), 60° (45.7 ± 17.5° vs 34.7 ± 9.5°, r = 0.86; P = 0.001) and 90° (29.2 ± 10.9° vs 21.2 ± 6.8°, r = 0.69; P = 0.019) of knee flexion and 6 nm at 0° (51.1 ± 37.7° vs 38.6 ± 30.1°, r = 0.90; P = 0.0), 30° (64.6 ± 21.6° vs 54.3 ± 15.1°, r = 0.73; P = 0.011), 45° (67.7 ± 20.6° vs 55.5 ± 9.5°, r = 0.65; P = 0.029), 60° (62.9 ± 22.4° vs 45.8 ± 13.1°, r = 0.65; P = 0.031) and 90° (43.6 ± 17.6° vs 31.0 ± 6.3°, r = 0.62; P = 0.043) of knee flexion and at 9 nm at 0° (69.7 ± 40.0° vs 55.6 ± 30.6°, r = 0.86; P = 0.001) and 60° (74.5 ± 27.6° vs 57.1 ± 11.5°, r = 0.77; P = 0.006). No statistically significant correlation with 9 nm at 30° (79.2 ± 25.1° vs 66.9 ± 15.4°, r = 0.59; P = 0.055), 45° (80.7 ± 24.7° vs 65.5 ± 11.2°, r = 0.51; P = 0.11) and 90° (54.7 ± 21.1° vs 39.4 ± 8.2°, r = 0.55; P = 0.079). We recognize that 9 nm of torque may be not tolerated in vivo due to pain. Knee rotation was at its maximum at 45° of knee flexion and increased with increasing torque. CONCLUSION: The skin pointer and knee rotation jig can be a reliable and simple means of quantifying knee rotational laxity with future clinical application.

11.
J Orthop Surg (Hong Kong) ; 26(1): 2309499018757572, 2018.
Article in English | MEDLINE | ID: mdl-29463205

ABSTRACT

INTRODUCTION: Diabetic patients have been known to have a higher incidence of frozen shoulder. Arthroscopic capsular release has been described for diabetic frozen shoulder refractory to non-surgical treatment. We describe our single-surgeon experience of this procedure done in Asian patients presenting with diabetic frozen shoulder. RESULTS: Data were prospectively collected from 25 patients from 2007 to 2008, who underwent arthroscopic capsular release for frozen shoulder with diabetes mellitus. This included the University of California-Los Angeles (UCLA) Shoulder Score by an independent observer. Mean follow-up duration was 44.3 ± 22 months with the age of 57.3 ± 10.9 years at the time of surgery. Mean duration of symptoms prior to surgery was 8.9 ± 7.5 months. Ten right shoulders and 15 left shoulders were operated on. Arthroscopic capsular release was performed in the beach chair position with the aid of a 90° electrocautery hook, from the rotator interval to posterior capsule. Significant improvement was observed in the UCLA scores post-operatively (preoperative total score 15.8 ± 3.6 vs. post-operative 33.3 ± 2.5, p < 0.00), including all domains of pain (3.9 ± 1.8 vs. 9.4 ± 0.9, p < 0.00), function (4.8 ± 1.7 vs. 9.4 ± 1.4, p < 0.00), active forward flexion (2.6 ± 0.7 vs. 4.6 ± 0.6, p < 0.00) and satisfaction (0.0 ± 0.0 vs. 5.0 ± 0.0, p < 0.00). No significant correlation between duration of symptoms and UCLA scores. Significant improvement was observed in forward flexion (preoperative 100.4 ± 18.8° vs. post-operative 157.6 ± 15.9°, p < 0.00) and external rotation (preoperative 14.4 ± 6.34° vs. post-operative 63.8 ± 8.3°, p < 0.00). Although the duration of symptoms correlated significantly with preoperative forward flexion ( r = 0.443 and p < 0.027), there was no significant correlation with post-operative forward flexion ( r = 0.023 and p < 0.91). No axillary nerve palsy observed. CONCLUSION: The diabetic frozen shoulder can be treated favourably with arthroscopic capsular release and the duration of symptoms prior to surgery does not affect the outcomes.


Subject(s)
Arthroscopy/methods , Bursitis/surgery , Diabetes Complications/complications , Joint Capsule Release/methods , Microsurgery/methods , Shoulder Joint/surgery , Bursitis/etiology , Bursitis/physiopathology , Diabetes Complications/surgery , Female , Humans , Male , Middle Aged , Postoperative Period , Range of Motion, Articular/physiology , Shoulder Joint/physiopathology , Singapore , Treatment Outcome
12.
J Orthop ; 10(4): 200-3, 2013.
Article in English | MEDLINE | ID: mdl-24396243

ABSTRACT

Acute pancreatitis is a known post-operative complication, commonly after abdominal surgery rather than total knee arthroplasty. When complications occur, post total knee arthroplasty, they tend to be cardiovascular and neurological events, rarely involving the gastrointestinal system. Therefore, when gastrointestinal complications occur, especially if they present with atypical symptoms, this tends to result in a delay in diagnosis. We present a case of acute pancreatitis post simultaneous bilateral total knee arthroplasty in a patient with risk factors like alcoholism and hypercholesterolaemia. Its atypical presentation of only persistent tachycardia, without abdominal pain, was misleading and the resultant delay in treatment dangerous. Therefore, it is important to consider acute pancreatitis as a differential diagnosis in a patient with persistent tachycardia post total knee arthroplasty, especially if he has risk factors for the condition.

13.
Spine (Phila Pa 1976) ; 37(6): E408-10, 2012 Mar 15.
Article in English | MEDLINE | ID: mdl-21912320

ABSTRACT

STUDY DESIGN: We present the case study of a 31-year-old lady who had a spontaneous cervical spinal epidural hematoma in the postpartum period and who presented with sudden onset of neck pain and lower limb weakness for which an emergency decompressive laminectomy was performed with neurological recovery. OBJECTIVE: To report on the spontaneous spinal epidural hematoma in the postpartum period, which is a rare complication during pregnancy and requires early recognition and expedient intervention to prevent permanent neurological sequelae. SUMMARY OF BACKGROUND DATA: This complication has been described only once previously in the postpartum period. The recovery of the patient described here highlights the importance of early recognition and surgical intervention. METHODS: A case report of a spontaneous cervical spinal epidural haematoma in the postpartum period is presented and the pertinent literature is then reviewed. RESULTS: The patient had neurological recovery at 1-year follow-up, although she required clean intermittent self-catheterization once daily for bladder dysfunction. CONCLUSION: Early recognition and intervention for our patient allowed for neurological recovery with a spontaneous cervical spinal epidural hematoma in the postpartum period.


Subject(s)
Cervical Vertebrae/surgery , Hematoma, Epidural, Spinal/surgery , Laminectomy , Postpartum Period , Adult , Female , Humans , Treatment Outcome
15.
Nephrol Dial Transplant ; 20(4): 728-34, 2005 Apr.
Article in English | MEDLINE | ID: mdl-15728267

ABSTRACT

BACKGROUND: Minimal-change nephrotic syndrome (MCNS) has been associated with atopy. As interleukin-13 (IL-13) has been implicated in the pathogenesis of MCNS, we postulated that IL-13 genetic polymorphisms could influence either susceptibility or clinical course of the disease. METHODS: Seventy-two Singapore Chinese children with MCNS and 78 normal controls were screened for single nucleotide polymorphisms (SNPs) in the IL-13 gene by direct sequencing. Allele and genotype frequencies of these SNPs were determined and their relationship with different clinical courses was analysed. RESULTS: Six SNPs were identified in the 5' promoter, exon 4 and 3' untranslated region (3'UTR). The three SNPs in the 3'UTR--4738 (G/A), 4793 (C/A) and 4926 (C/T)--were in tight linkage disequilibrium (Delta > or = 0.99). There was no difference in allele or genotype frequencies between MCNS children and normal controls. However, there was a significantly lower frequency of allele 4738G in those MCNS children who were still relapsing after 5 years of follow-up (G = 0.52), compared with those in complete remission (G = 0.72; P<0.05) and normal controls (G = 0.69; P<0.05). Haplotype analysis showed a significantly higher frequency of the GCC haplotype in controls and MCNS patients in complete remission (chi2 = 6.35; P<0.02), while the frequency of AAT haplotype was higher in those MCNS children still relapsing after 5 years of follow-up (chi2 = 5.38; P<0.02). Moreover, peripheral blood mononuclear cell IL-13 mRNA expression in patients with haplotype AAT was significantly higher than in those with haplotype GCC. CONCLUSIONS: These results suggest that genetic polymorphisms in the 3'UTR of the IL-13 gene correlate with long-term outcome of MCNS, rather than disease susceptibility, in Singapore Chinese children.


Subject(s)
Interleukin-13/genetics , Nephrosis, Lipoid/genetics , Polymorphism, Genetic , Child , Child, Preschool , China/ethnology , Female , Humans , Infant , Male , Singapore , Time Factors
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