Displaying all 11 publications

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  1. Yeap, Boon Tat, Yeoh, Boon Seng, Rajesh Kumar Muniandy
    MyJurnal
    Anaphylactic reaction towards antibiotics is common during anaesthesia. It may present as bronchospasm, hypotension, desaturation, or urticarial. However it is uncommon for anaphylaxis reaction to present only as supraventricular tachycardia (SVT). This is a rare interesting case report on a 23-year-old healthy man whose anaesthetic categorization is American Society of Anaesthesiologist (ASA) 1, developed supraventricular tachycardia (SVT) towards intravenous cefuroxime, peri operatively. His condition resolved with carotid sinus massage. No pharmacological interventions were used. His skin prick intradermal tests showed allergies towards cefuroxime, cefazoline and cefoperazone. The patient subsequently underwent.
  2. Segaran Ramodran, Yeap Boon Tat, Norkiah Saat, Constance Liew Sat Lin, Nur Atikah Md Taib, Symeon Mandrinos
    MyJurnal
    Introduction: Recent Coronavirus outbreak has raised concern among student nurses who are doing their clinical posting tenure regarding the risk ofpatient acquired infection. This study examined perceived readiness to pro- vide coronavirus patient careduring clinical posting among student nurses in UMS. Method: This study deployed a cross-section survey design using a self-rated questionnaire to evaluate respondents’ level of readiness towards Coronavirus patient care. A total of 177 (N) respondents comprising of nursing students from UMS (year 1 n=55, year 2 n=56, year 3 n=66) participated in the study. The study questionnaire captured demographics and comprised of 15Likert -scale items that assessed the level of perceived readiness to provide Coronavirus patient care. The ques- tionnaire was adapted from a previous SARs pandemic studyand revalidated within the local context (α = 0.78). Data analysis used descriptive statistics by frequency counts and Fisher exact test for demographic correlates with the level of readiness. Results: Among 177 student nurses in this study68% (n= 121) were willing and ready to provide Coronavirus patient care and 32% (n = 56) were hesitant or not willing. Regarding confidence of safety using PPE to provide patient care, 34 % (n = 61) of respondents rated not confident and deemed it hazardous even with full PPE use. On the issue of if legally mandated to care for Coronavirus patients, 22% were hesitant to provide care and will considerleaving nursing training if compelled to do so. There was a significantly lower perceived level of readiness towards Coronavirus patient care among 1st-year student nurses and those who had not attended any Coronavirus educational session (p= 0.06). Conclusion: The findings indicate although the majority of student nurses are willing to provide care for Coronavirus infected patients during their clinical posting tenure, a small proportion of student’s nurses were hesitant.
  3. Yeap BT, Teah KM, Tan JBG, Azizan N
    Ann Med Surg (Lond), 2021 Nov;71:102996.
    PMID: 34840751 DOI: 10.1016/j.amsu.2021.102996
    Background: Adrenocortical carcinoma (ACC) is a rare aggressive tumor that can be hormone or non-hormone secreting. It is usually associated with fatal outcomes due to its physiological hormonal interaction. We report a successful anaesthetic and surgical management for a patient who presented to us with a huge hemorrhagic ACC which was complicated with acute respiratory failure.

    Case presentation: A 56-year-old lady presented to us with progressive abdominal distension and right hypochondriac pain for two months. She was anemic with elevated liver enzymes. Urgent computed tomography (CT) of the abdomen and pelvis showed a huge right supra renal mass. She subsequently developed respiratory failure due to splinting of diaphragm, of which successfully underwent an emergency exploratory laparotomy. Subsequent endocrine and histopathological work up showed an adrenocortical carcinoma (ACC).

    Discussion: Suprarenal masses usually originate from the adrenal glands. They should be investigated to rule out phaeochromocytoma, which originate from the inner adrenal medulla or outer cortex to form ACC. The latter usually occur in women and of poor prognosis. Huge ACC may cause acute respiratory failure by way of splinting of diaphragm. Both anaesthetic and surgical teams should be well trained in handling patients who undergo adrenal surgeries.

    Conclusion: A giant hemorrhagic functional ACC is extremely uncommon with very poor prognosis. Such conditions should be investigated to rule out phaeochromocytoma. Its potential neuro-hormonal interactions and anatomical correlations can cause fatal perioperative cardio-respiratory embarrassment. The anaesthetic and surgical teams should be capable in managing the hemodynamic instabilities that may present during surgical manipulation and resection of a large ACC.

  4. Chua CC, Wong TF, Ang CY, Yeap BT
    Ann Med Surg (Lond), 2021 Nov;71:102998.
    PMID: 34840753 DOI: 10.1016/j.amsu.2021.102998
    Background: Cardiac myxoma is a rare neoplasm with female preponderance. It is the commonest benign cardiac neoplasm. We report a case entailing the perioperative anaesthetic challenges in managing a young morbidly obese man with a huge left atrial myxoma, who presented to us with acute symptoms of heart failure.

    Case presentation: A young morbidly obese man with a body mass index (BMI) of 43.3 kg/m2 presented to us with acute symptoms of heart failure. An urgent transthoracic echocardiogram showed a huge pedunculated mass which arise from the left atrium, which occasionally completely occludes the mitral valve during each diastole. He underwent a resection of cardiac myxoma, which was complicated with intraoperative hypotension. Fortunately, it was successfully managed by placing the patient in Trendelenburg position for optimum blood pressure control.

    Discussion: Tumours of the heart are very rare. Common histopathological findings are myxomas, followed by uncommon types of rhabdomyosarcomas and angiosarcomas. Pedunculated cardiac tumours can cause partial to complete obstructions which may lead to devastating conditions. Anaesthesia for morbidly obese patients with pedunculated cardiac myxoma are extremely challenging. Cardiac anaesthetists should be vigilant in managing these patients as they posed many life-threatening complications.

    Conclusion: Cardiac myxoma are uncommon benign tumor of the heart with higher preponderances on the left atrium. Pedunculated mass can cause obstruction by limiting left ventricular filling, mimicking severe mitral stenosis. Positioning the patient Trendelenburg can transiently reduce intracardiac obstruction, improve cardiac output and venous return to the heart. Optimum patient positioning and management will lead to excellent outcomes.

  5. Soe MZ, Hayati F, Yeap BT, Guad RM, Thein TT
    ANZ J Surg, 2021 07;91(7-8):1635-1636.
    PMID: 34402171 DOI: 10.1111/ans.16979
  6. Teah KM, Bong CP, Mudin K, Soe MZ, Thevarajah S, Yeap BT
    Ann Med Surg (Lond), 2021 Nov;71:102952.
    PMID: 34703592 DOI: 10.1016/j.amsu.2021.102952
    Background: Prostatic carcinoma is the commonest malignancy among men. It usually metastasizes to the spine and regional lymph nodes. However, it is extremely rare for it to metastasize to the mediastinum.

    Case presentation: An elderly man presented to us with progressive onset of bilateral lower limb weakness which was associated with thoracic radiculopathy and urinary incontinence. An urgent magnetic resonance imaging (MRI) of the spine showed severe cord compression with enlarged prostate and superior mediastinal mass. A computed tomography (CT) guided biopsy of the mediastinal mass was suggestive of prostatic malignancy. An emergency posterior instrumentation and fusion (PSIF) in prone position was successfully done. Histopathological examination of the spine showed malignant glandular tissues, suggestive of prostate.

    Discussion: A huge mediastinal mass can compromise the cardiorespiratory system and is very challenging for the anaesthetist to safely secure the airway for surgical procedures. Androgen deprivation therapy (ADT) for patients with metastatic prostatic carcinoma can be achieved either by medical castration or with bilateral orchidectomy.

    Conclusion: It is extremely uncommon for a prostatic carcinoma to metastasize to the mediastinum. Patients with a huge mediastinal mass possess risks of cardiorespiratory collapse perioperatively. Chemoradiotherapy and androgen deprivation therapy (ADT) can be utilized for metastatic prostatic carcinoma with good outcomes.

  7. Soe MZ, Bong CP, Thevarajah S, Teah KM, Yeap BT
    Ann Med Surg (Lond), 2022 Feb;74:103297.
    PMID: 35127072 DOI: 10.1016/j.amsu.2022.103297
    Background: Urothelial carcinoma (UC) is a common urinary tract malignancy that predominantly affect the urinary bladder with a low recurrence rate after surgical removal. It usually metastasizes to the lungs, regional lymph nodes, and liver. However, it rarely spread to the thoracic spine and bones, especially in the Asian populations.

    Case presentation: A 50-years-old Asian man, with a one-year history of surgically resected UC, presented to us with a complaint of worsening upper back pain for three months. Magnetic resonance imaging (MRI) showed a destructed second thoracic (T2) vertebra with lytic lesion. A thoracic vertebrectomy was performed and histopathological examination (HPE) showed high-grade infiltrating metastatic malignant UC. Postoperatively, he was well and did not have any back pain. He was followed up under combined spine and oncology clinic regularly and was planned for chemoradiotherapy.

    Discussion: UC commonly metastasizes to the lungs, liver, and lymph nodes. In young Asians, thoracic spinal metastases are rare. Urgent palliative spinal surgery is indicated to prevent further deterioration of function. Intraoperative usage of targeted controlled infusion (TCI) of remifentanil and propofol as maintenance of anaesthesia are gold standard in assisting spine surgeons who are guided by neuromuscular monitoring.

    Conclusion: Spinal metastasis to the thoracic vertebra is rare among young Asian men. Patients presented with acute neurological deficits and back pain are indicated for spinal surgery. Multidisciplinary approach is needed for management of patients with spinal metastasis. Targeted controlled infusion (TCI) of remifentanil and propofol are gold standard for maintenance of anaesthesia for spine surgeries which are guided by somatosensory, and motor evoked potential monitoring.

  8. Helmy Abdelmalek Fahmy E, Yeap BT, Pg Baharuddin DM, M A Abdelhafez M, Than WW, Soe MZ, et al.
    Ann Med Surg (Lond), 2021 Nov;71:102995.
    PMID: 34745605 DOI: 10.1016/j.amsu.2021.102995
    The severe acute respiratory coronavirus 2 (COVID-19) pandemic impacts the health of women at reproductive age in different ways, starting from pregnancy planning to post-delivery. This narrative review summarises the challenges to obstetric practice posed by the severe acute respiratory coronavirus 2 (COVID-19) pandemic. In this paper, we highlight the impacts of COVID-19 to obstetric practice globally and the efforts taken to address these challenges. Further study is critical to investigate the effects of COVID-19 on pregnancy, the outcome of COVID-19 positive pregnant women, and the safety of vaccination during pregnancy and breastfeeding.
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