Displaying all 6 publications

  1. Sidhu JS, Dhillon MK
    Injury, 1991 Mar;22(2):156-8.
    PMID: 2037340
  2. Dhillon MK, Leong YP
    Singapore Med J, 1991 Apr;32(2):177-8.
    PMID: 2042085
    An 8-year old boy presented with a right neck swelling which appeared only intermittently. The swelling was well demonstrated by the Valsalva manoeuvre. The differential diagnosis include a laryngocele, a superior mediastinum tumour or cyst and a venous aneurysm. Plain radiography, computerized tomography, ultrasonography and venography were performed. A diagnosis of venous aneurysm was confirmed. Ultrasonography was the best modality for imaging of this rare condition. It is non-invasive and it will also delineate the extent of the lesion. The treatment is expectant. Surgery is reserved for cosmesis and symptomatic aneurysms.
  3. Gendeh BS, Dhillon MK, Hamzah M
    J Laryngol Otol, 1994 Mar;108(3):256-60.
    PMID: 8169515
    Internal jugular vein ectasia is a venous anomaly commonly presenting as a unilateral neck swelling in children and adults. Literature reports of bilateral presentation are rare. Bilateral Doppler ultrasonography is the diagnostic investigation of choice. The possible pathology, aetiology and management are discussed. Conservative management of bilateral cases is recommended in uncomplicated cases.
  4. Lee CM, Dhillon MK, Sulaiman MA
    Arthroplast Today, 2018 Mar;4(1):78-84.
    PMID: 29560400 DOI: 10.1016/j.artd.2017.06.007
    Background: The use of navigation for total knee arthroplasty (TKA) improves limb alignment in the coronal and sagittal planes. However, similar improvements in femoral and tibial component rotation have not yet been realized using currently available systems.

    Methods: We developed a modified navigated TKA technique in which femoral rotation was set using the resected tibial plane as the reference with the aim of achieving a rectangular flexion gap. Limb alignment was assessed in a cohort of 30 knees using the navigation system. Post-operative limb alignment was measured using long-leg standing radiographs. Computed tomography was used to determine post-operative component orientation.

    Results: Sagittal alignment data improved from a mean of 7.8° varus (pre-operative) to 0.0° (post-operative), assessed by intra-operative navigation. Post-operative hip-knee-ankle axis alignment was 0.9° valgus (mean; standard deviation [SD] 1.7°). Mean femoral component rotation was 0.5° internally rotated (SD 2.6°), relative to the surgical transepicondylar axis. Mean tibial component rotation was 0.9° externally rotated (SD 5.5°). No soft tissue releases were performed.

    Conclusions: These results confirm that the desired femoral rotation, set using a tibia-first approach with the resected tibial plane as the reference, can be achieved without compromising overall limb alignment. Femoral component rotation was within a narrow range, with a moderate improvement in achieving more consistent tibial component rotation compared with other techniques. This technique may prove to be useful for surgeons wishing to employ a tibia-first philosophy for TKA while maximizing the benefits associated with computer-assisted navigation.

  5. Ong LC, Dhillon MK, Selladurai BM, Maimunah A, Lye MS
    J Paediatr Child Health, 1996 Apr;32(2):173-6.
    PMID: 9156530
    OBJECTIVE: To determine the type and outcome of early post-traumatic seizures in children and the factors associated with it.

    METHODOLOGY: A prospective observational study on all consecutive children with head injuries at the General Hospital Kuala Lumpur between November 1993 and December 1994. The onset, type and frequency of seizures occurring within the first week of injury were documented. Using inpatients as a cohort, logistic regression analysis was used to determine clinical and radiological variables significantly associated with seizures. The outcome 6 months post-injury was assessed using the Glasgow Outcome Scale.

    RESULTS: Fifty-three of 966 children (5.5%) developed seizures within the first week of trauma. Seven (13.2%) occurred within 1 h of injury, 30 (56.6%) between 1 and 24 h and 16 (30.2%) after 24 h. Factors significantly associated with early post-traumatic seizures were female sex, age less than 2 years, loss of consciousness for more than 24h and acute subdural haematoma (P<0.01). Children with seizures had a poorer outcome (death or severe disability) than inpatients without seizures (21/53 vs 19/182, P<0.001). The outcome was worst in children with recurrent partial seizures, who had a longer injury-seizure interval and were more likely to have focal neurologic deficits compared to those with sporadic or generalized seizures.

    CONCLUSIONS: Anticonvulsant prophylaxis to minimize the adverse effects of early seizures in head injury should be considered for young children (less than 2 years old) with subdural haematoma and a prolonged duration of coma. Prompt and effective control of recurrent seizures is recommended.

  6. Ong L, Selladurai BM, Dhillon MK, Atan M, Lye MS
    Pediatr Neurosurg, 1996 Jun;24(6):285-91.
    PMID: 8988493
    The outcome of 151 children less than 15 years of age and admitted within 24 h of head injury was studied in relation to clinical and computed tomography (CT) scan features. Thirty one (20.5%) had a poor outcome (24 died, 6 were severely disabled at 6 months after injury and 1 was in a persistent vegetative state) while 120 (79.5%) had a good outcome (89 recovered well and 31 were moderately disabled). Factors associated with a poor outcome were Glasgow Coma Scale (GCS) score 24 h following injury, presence of hypoxia on admission and CT scan features of subarachnoid haemorrhage, diffuse axonal injury and brain swelling. GCS scores alone, in the absence of other factors, had limited predictive value. The prognostic value of GCS scores < 8 was enhanced two-to fourfold by the presence of hypoxia. The additional presence of the CT scan features mentioned above markedly increased the probability of a poor outcome to > 0.8, modified only by the presence of GCS scores > 12. Correct predictions were made in 90.1% of patients, indicating that it is possible to estimate the severity of a patient's injury based on a small subset of clinical and radiological criteria that are readily available.
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