Publications by authors named "Ken Lee Puah"

Article Synopsis
  • The study investigates factors leading to the development of Popeye's deformity, a common complication (13%-70% incidence) after long head of the biceps tendon (LHBT) tenotomy, to improve patient selection for surgery.
  • 91 patients undergoing rotator cuff repairs and LHBT tenotomy were analyzed based on demographics, physical attributes, and postoperative satisfaction through various pain and shoulder function scores at 6 and 24 months post-operation.
  • Results showed a 58.9% incidence of Popeye's sign, with lower body mass index (BMI) and higher biceps to wrist circumference ratios linked to deformity, but it did not impact overall clinical outcomes or patient satisfaction after 24 months.
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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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