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Higher Rates of Anatomical Insertion of Medial Hamstring Tendon Regeneration Post-Anterior Cruciate Ligament Reconstruction with Stump Preservation Graft Harvesting Technique: A Prospective, Randomized, Double-Blinded Clinical Trial with Magnetic Resonance Imaging Evaluation

Low CA, Teo SH

J ISAKOS, 2024 Apr 25.
PMID: 38677365 DOI: 10.1016/j.jisako.2024.04.013

OBJECTIVE: (s): The purpose of this study was to compare the regeneration of semitendinosus and gracilis tendons from two different graft harvesting techniques which are the stump preservation and conventional graft harvesting technique. We hypothesised that the stump preservation graft harvesting technique which preserved the distal attachment of tendons at their insertion would facilitate anatomical regeneration to the pes anserinus.
METHODS: This is a prospective, randomised double-blinded study whereby thirty consecutive patients who underwent single bundle anterior cruciate ligament reconstruction with ipsilateral semitendinosus and gracilis autografts were recruited. The patients were randomly assigned to the stump preservation group (14 patients) or conventional group (16 patients). magnetic resonance imaging (MRI) evaluation was performed preoperatively and at 6-months postoperatively.
RESULTS: At 6-months follow-up, MRI evaluations showed a higher percentage of insertion of regenerated semitendinosus and gracilis at the pes anserinus in the stump preservation group (75.0%) than that in the conventional group (68.8%). There was significantly higher proximal shift of musculotendinous junction of semitendinosus (5.70 cm versus 3.36 cm, p = 0.029) and gracilis (5.28 cm versus 3.16 cm, p = 0.045) in the conventional group postoperatively.
CONCLUSION: The stump preservation technique yields higher percentage of anatomical insertion of regenerated tendons and lesser amount of proximal shift of musculotendinous junction.
LEVEL OF EVIDENCE: III - Prospective study with up to two negative criteria.
Fulltext Medical students' choice of specialty and factors determining their choice: a cross-sectional questionnaire survey in Melaka-Manipal Medical College, Malaysia

Chew YW, Rajakrishnan S, Low CA, Jayapalan PK, Sreeramareddy CT

Biosci Trends, 2011;5(2):69-76.
PMID: 21572250

Information about medical students' choice of specialty can be helpful for planning health manpower. However, such information from medical students in Malaysian medical schools is lacking. We carried out a cross-sectional questionnaire survey among fourth- and fifth-year medical undergraduate students at Melaka-Manipal Medical College. A total of 425 students responded to the survey questionnaire. Nearly a quarter of the students indicated internal medicine as their choice of specialty. Other choices were general surgery (13.2%), pediatrics (11.3%), orthopedics (12.7%) and obstetrics & gynecology (Ob/Gyn) (12.1%). Female students (OR 1.91; 95% CI 1.18-3.08), fourth-year students (OR 1.9; 95% CI 1.15-3.12), and students who reported a higher self-rated knowledge of their subject of choice were more likely to choose internal medicine and allied specialties (OR 1.53; 95% CI 1.07-2.19). The influence of teaching faculty and consultants at the teaching hospitals (74.4%) and inspiration obtained during clinical postings (71.9%) were the factors which were rated by the most students as 'important' for choosing a specialty. About half of the students intended to pursue their postgraduate studies in Malaysia, most of the rest in the United Kingdom or Australia. While internal medicine and surgical subspecialties were preferred, students were not inclined towards primary care or diagnostic subspecialties. Incentives should be provided and other measures should be taken to make these branches more attractive.

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