Displaying publications 1 - 20 of 56 in total

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  1. P S L, Miskan MM, Y Z C, Zaki RA
    BMC Anesthesiol, 2017 Oct 11;17(1):137.
    PMID: 29020936 DOI: 10.1186/s12871-017-0430-3
    BACKGROUND: Cough on emergence has been reported as a common adverse reaction with sugammadex reversal. We investigated if staggering the dose of sugammadex will reduce emergence cough in a single-center, randomized, double-blinded study.

    METHODS: A hundred and twenty ASA 1-3 adults were randomly reversed with 1 mg/kg sugammadex prior to extubation followed by another 1 mg/kg immediately after extubation (staggered group), single dose of 2 mg/kg sugammadex (single bolus group) or neostigmine 0.02 mg/kg with glycopyrrolate (neostigmine group).

    RESULTS: We found 70% of patients (n = 28) reversed with single boluses of sugammadex had Grade 3 emergence cough compared to 12.5% (n = 5) in the staggered sugammadex group and 17.5% (n = 7) in the neostigmine group (p control given neostigmine. In terms of timing, there was no delay in time taken from discontinuing anesthetic agents to reversal and extubation if sugammadex was staggered (emergence time 6.0 ± 3.2 s, p = 0.625 and reversal time 6.5 ± 3.5, p = 0.809).

    CONCLUSIONS: Staggering the dose of sugammadex for reversal will effectively decrease common emergence and early postoperative complications.

    TRIAL REGISTRATION: ANZCTR Number ACTRN12616000116426 . Retrospectively registered on 2nd February 2016.

    Matched MeSH terms: Postoperative Complications/prevention & control*
  2. Lo TS, Pue LB, Tan YL, Long CY, Lin YH, Wu PY
    Taiwan J Obstet Gynecol, 2016 Aug;55(4):519-24.
    PMID: 27590375 DOI: 10.1016/j.tjog.2015.12.019
    OBJECTIVE: Voiding dysfunction following a midurethral sling procedure is still a relevant consequence that can affect patients' quality of life. Various invasive methods have been described to manage this problem. We hypothesize that we if we could diagnose the condition early using noninvasive tools, we would be able to offer appropriate effective management. We sought to study the effectiveness of attaching a tension-releasing suture on a single-incision sling (SIS) tape as a prophylactic measure for the treatment of immediate postoperative voiding dysfunctions, and secondarily, to evaluate the objective and subjective cure rates of the treatment for stress urinary incontinence.

    MATERIALS AND METHODS: It is a prospective observational study. A tension-releasing suture was prepared by appending a polyglactin suture to one end of the MiniArc sling tip fiber, which could be used to manipulate the sling tip when postoperative voiding dysfunction was identified. Primary outcome measure was the number of patients requiring tension-releasing suture manipulation to treat postoperative voiding dysfunctions successfully.

    RESULTS: Twelve of the 131 (9.2%) patients who underwent SIS procedure for urodynamic stress incontinence surgery required tension-releasing suture manipulation due to voiding dysfunction during the immediate postoperative period with a good outcome. Postoperative overall objective and subjective cure rates were 90.5% and 88.9% (126 available patients at 1-year follow up, mean 19.2 ± 8.0 months), respectively. The subanalysis of the objective and subjective cure rates of the group with tension-releasing suture manipulation were 91.7% (11/12) and 91.7% (11/12), and those of the group without tension-releasing suture manipulation were 90.4% (103/114) and 88.6% (101/114), respectively, at 1-year follow up.

    CONCLUSION: Tension-releasing suture is effective in the management of immediate postoperative voiding dysfunction in an SIS procedure. SIS operation has good short-term objective and subjective cure rates for female urodynamic stress incontinence.

    Matched MeSH terms: Postoperative Complications/prevention & control
  3. Liao WC, Angsuwatcharakon P, Isayama H, Dhir V, Devereaux B, Khor CJ, et al.
    Gastrointest Endosc, 2017 Feb;85(2):295-304.
    PMID: 27720741 DOI: 10.1016/j.gie.2016.09.037
    Matched MeSH terms: Postoperative Complications/prevention & control
  4. Ng KT, Chan XL, Tan W, Wang CY
    J Clin Anesth, 2019 Feb;52:37-47.
    PMID: 30172838 DOI: 10.1016/j.jclinane.2018.08.019
    OBJECTIVES: Patients with preoperative low left ventricular ejection fraction (LVEF) are known to be associated with high morbidities and mortality in cardiac surgery. The primary aim of this review was to examine the clinical outcomes of levosimendan versus placebo in patients with preoperative low LVEF ≤ 50% undergoing cardiac surgery.

    DATA SOURCES: MEDLINE, EMBASE, PubMed and CENTRAL were searched systematically from their inception until June 2018.

    REVIEW METHODS: All the randomised clinical trials (RCTs) were included.

    RESULTS: Twelve trials were eligible (n = 1867) for inclusion in the data synthesis. In comparison to the placebo cohort, the levosimendan cohort showed a significant reduction in mortality (TSA = inconclusive; ρ = 0.002; I2 = 0%; FEM: OR 0.56; 95% CI 0.39, 0.80), especially in the subgroups of preoperative severe low LVEF ≤ 30% (ρ = 0.003; OR 0.33; 95% CI 0.16, 0.69), preoperative administering of levosimendan (ρ = 0.001; OR 0.46; 95% CI 0.29, 0.74) and patients who had bolus followed by infusion of levosimendan (ρ = 0.005; OR 0.50; 95% CI 0.30, 0.81). However, the effect on mortality was not significant in the subgroup analysis of high quality trials (ρ = 0.14; OR 0.73; 95% CI 0.47, 1.12). The levosimendan cohort showed a significantly lower incidence of low-cardiac-output-syndrome (ρ controlled trials are warranted.

    PROSPERO REGISTRATION: CRD42017067572.

    Matched MeSH terms: Postoperative Complications/prevention & control*
  5. Tan KH
    Med J Malaysia, 1984 Sep;39(3):246-9.
    PMID: 6100563
    The severity of pulmonary aspiration depends mainly on the acidity of the aspirate. Mist magnesium trisilicate (MMT) has been used for many years at the maternity unit in General Hospital, Kuala Lumpur, to neutralise the acidic gastric contents in all obstetric patients requiring caesarian section. This preliminary study shows that a single dose of 15 mls of MMT before general anaesthesia raises the intragastric pH to above the critical level of 2.5 in 80% of the patients. Recently there have been doubts over the protective role of MMT. Sodium citrate which is the other antacid available may be a better alternative.
    Matched MeSH terms: Postoperative Complications/prevention & control
  6. Yong CK, Choon DS, Soon HC
    J Orthop Surg (Hong Kong), 2008 Aug;16(2):197-200.
    PMID: 18725672
    To present midterm results of Duracon total knee arthroplasty (TKA) performed between 1991 and 2001.
    Matched MeSH terms: Postoperative Complications/prevention & control
  7. Koay KL, Mohd Zim MA, Botross NP, Thong YK, Nordin N, Ramachandran A, et al.
    Med J Malaysia, 2024 Jan;79(1):47-51.
    PMID: 38287757
    INTRODUCTION: Several risk factors found to be associated with postoperative complications and cancer surgery, which carry a significant morbidity risk to cancer patients. Therefore, prehabilitation is necessary to improve the functional capability and nutritional status of a patient prior to surgery, so that the patient can withstand any postoperative activity and associated deterioration. Thus, this study aims to assess the effectiveness of prehabilitation interventions on the functional status of patients with gastric and oesophageal cancer who underwent esophagectomy and gastrectomy.

    MATERIAL AND METHODS: An interventional study was carried out among oesophageal and gastric cancer patients who had undergone surgery at the National Cancer Institute of Malaysia. The prehabilitation process took a maximum of two weeks, depending on the patient's optimisation before surgery. The prehabilitation is based on functional capacity (ECOG performance status), muscle function (handgrip strength), cardio-respiratory function (peak flow meter) and nutritional status (calorie and protein). Postoperative outcomes are measured based on the length of hospital stay, complications, and Clavien-Dindo Classification.

    RESULTS: Thirty-one patients were recruited to undergo a prehabilitation intervention prior to gastrectomy (n=21) and esophagectomy (n=10). Demographically, most of the cancer patients were males (67.7%) with an ideal mean of BMI (23.5±6.0). Physically, the majority of them had physical class (ASA grade) Grade 2 (67.7%), ECOG performance status of 1 (61.3%) and SGA grade B (51.6%). The functional capacity and nutritional status showed a significant improvement after one week of prehabilitation interventions: peak expiratory flow meter (p<0.001), handgrip (p<0.001), ECOG performance (p<0.001), walking distance (p<0.001), incentive spirometry (p<0.001), total body calorie (p<0.001) and total body protein (p=0.004). However, those patients who required two weeks of prehabilitation for optimization showed only significant improvement in peak expiratory flow meter (p<0.001), handgrip (p<0.001), and incentive spirometry (p<0.001). Prehabilitation is significantly associated postoperatively with the length of hospital stay (p=0.028), complications (p=0.011) and Clavien-Dindo Classification (p=0.029).

    CONCLUSION: Prehabilitation interventions significantly increase the functional capacity and nutritional status of cancer patients preoperatively; concurrently reducing hospital stays and complications postoperatively. However, certain cancer patients might require over two weeks of prehabilitation to improve the patient's functional capacity and reduce complications postoperatively.

    Matched MeSH terms: Postoperative Complications/prevention & control
  8. Musa AF, Dillon J, Md Taib ME, Yunus AM, Sanusi AR, Nordin MN, et al.
    J Cardiothorac Surg, 2021 Nov 24;16(1):340.
    PMID: 34819126 DOI: 10.1186/s13019-021-01721-6
    INTRODUCTION: Post-operative atrial fibrillation (POAF) is associated with poorer outcomes, increased resource utilisation, morbidity and mortality. Its pathogenesis is initiated by systemic inflammation and oxidative stress. It is hypothesised that a potent antioxidant and anti-inflammatory agent such as tocotrienol, an isomer of Vitamin E, could reduce or prevent POAF.

    AIMS: The aim of this study is to determine whether a potent antioxidative and anti-inflammatory agent, Tocovid, a tocotrienol-rich capsule, could reduce the incidence of POAF and affect the mortality and morbidity as well as the duration of ICU, HDU and hospital stay.

    METHODS: This study was planned as a prospective, randomised, controlled trial with parallel groups. The control group received placebo containing palm superolein while the treatment group received Tocovid capsules. We investigated the incidence of POAF, the length of hospital stay after surgery and the health-related quality of life.

    RESULTS: Recruitment commenced in January 2019 but the preliminary results were unblinded as the study is still ongoing. Two-hundred and two patients have been recruited out of a target sample size of 250 as of January 2021. About 75% have completed the study and 6.4% were either lost during follow-up or withdrew; 4% of participants died. The mean age group was 61.44 ± 7.30 years with no statistical difference between the groups, with males having a preponderance for AF. The incidence of POAF was 24.36% and the mean time for developing POAF was 55.38 ± 29.9 h post-CABG. Obesity was not a predictive factor. No statistically significant difference was observed when comparing left atrial size, NYHA class, ejection fraction and the premorbid history. The mean cross-clamp time was 71 ± 34 min and the mean bypass time was 95 ± 46 min, with no difference between groups. There was a threefold increase in death among patients with POAF (p = 0.008) and an increase in the duration of ICU stay (p = 0.01), the total duration of hospital stay (p = 0.04) and reintubation (p = 0.045).

    CONCLUSION: A relatively low incidence rate of POAF was noted although the study is still ongoing. It remains to be seen if our prophylactic intervention using Tocovid would effectively reduce the incidence of POAF. Clinical Registration Number: US National Library of Medicine. Clinical Trials - NCT03807037. Registered on 16th January 2019. Link: https://clinicaltrials.gov/ct2/show/NCT03807037.

    Matched MeSH terms: Postoperative Complications/prevention & control
  9. Au MK, Singh P
    Med J Malaysia, 1991 Dec;46(4):329-32.
    PMID: 1840440
    The effect of an antiprostaglandin, piroxicam, in preventing surgically induced miosis is studied. Patients undergoing extracapsular cataract surgery were randomly divided into the piroxicam and placebo groups. Intra-operative measurements of the pupillary diameters were performed. The stages of procedure at which they were measured were at the beginning of operation (Stage 1), after anterior capsulotomy (Stage 2), after lens nucleus delivery (Stage 3) and at the end of irrigation and aspiration (Stage 4). It is noted in this Study that the pupillary diameters were larger at stages 2,3 and 4 in the piroxicam group. The increase in the mean pupillary areas of the piroxicam group were statistically significant for Stages 3 and 4.
    Matched MeSH terms: Postoperative Complications/prevention & control*
  10. Devasia T, Shetty PN, Kareem H, Karkala YR, Singh A
    Indian Heart J, 2018 Dec;70 Suppl 3(Suppl 3):S353-S358.
    PMID: 30595288 DOI: 10.1016/j.ihj.2018.10.411
    BACKGROUND: Lifestyle modification (LSM) such as prudent diet, physical activity, avoidance of smoking, and maintaining a healthy weight may considerably decrease the risk for coronary artery disease.

    OBJECTIVE: The primary objective of this study was to develop a new LSM scoring system and investigate the correlation between adherence to LSM and incidence of major adverse cardiac events (MACEs) at 12-month follow-up.

    METHOD: A total of 1000 consecutive patients who underwent percutaneous transluminal coronary angioplasty (PTCA) were included in this prospective single-center study. Manipal lifestyle modification score (MLSMS) was developed by using five lifestyle-related factors. Adherence to LSM at the baseline and subsequent follow-ups was determined by using MLSMS. The MACE at 1-, 6-, and 12-month follow-up were analyzed.

    RESULTS: There was a significant reduction in overall adherence to LSM (p 

    Matched MeSH terms: Postoperative Complications/prevention & control*
  11. A'zim AZA, Zaid ZA, Yusof BNM, Jabar MF, Shahar ASM
    Trials, 2022 Nov 26;23(1):961.
    PMID: 36435838 DOI: 10.1186/s13063-022-06898-2
    BACKGROUND: Perioperative malnutrition is common in patients undergoing gastrointestinal-oncology surgery and is associated with longer hospital stays, increased postoperative complications, poorer quality of life, and lower survival rates. Current practice emphasizes the role of early perioperative nutrition therapy as an early intervention to combat the postoperative complications of patients and the implementation is now widely adopted. However, there is still a lack of research on determining the effectiveness of intensive nutrition therapy and providing ONS perioperative locally. This becomes the significance of this study and serves as a basis for management and guideline in the local hospital settings.

    METHODS: This is a pragmatic randomized control trial study where elective admitted patients will be randomly divided into the intervention (SS) or control (NN) group. All data will be collected during a face-to-face interview, anthropometric measurement, blood sampling (albumin, white blood count, hemoglobin, and c-reactive protein), handgrip strength, and postoperative complications. Group SS will be receiving a tailored lifestyle and intensively supplemented with oral nutrition support as compared to Group NN that will receive standard medical care. The primary outcome for this study is the length of stay in the hospital. Additional outcome measures are changes in biochemical profile and nutritional and functional status. The effects of intervention between groups on the outcome parameters will be analyzed by using the SPSS General Linear Model (GLM) for the repeated measure procedure.

    DISCUSSION: The intervention implemented in this study will serve as baseline data in providing appropriate nutritional management in patients undergoing gastrointestinal and oncological surgery.

    TRIAL REGISTRATION: ClinicalTrials.gov Protocol Registration and Results System (PRS) NCT04347772 . Registered on 20 November 2019.

    Matched MeSH terms: Postoperative Complications/prevention & control
  12. Indirayani I, Kalok A, Nik Ismail NA, Shah SA, Lim PS, Mohamed Ismail NA, et al.
    J Obstet Gynaecol Res, 2018 Aug;44(8):1458-1465.
    PMID: 29845672 DOI: 10.1111/jog.13686
    AIM: Sodium pentosan polysulfate (Na-PPS) is a plant-based agent that has similar action with low-molecular-weight heparin. It inhibits factor Xa, preventing blood clot formation. To date, its use in clinical practice as thromboprophylaxis agent is still limited. In addition, the efficacy and safety profile of this agent was not robustly reported globally, especially for countries with major Muslim population. We hypothesized that Na-PPS was equally effective as the standard thromboprophylaxis. We aim to compare the efficacy and safety of Na-PPS against standard agent (fondaparinux or enoxaparin).

    METHODS: This was a randomized control, open-label trial. Women underwent major gynecological surgery were randomized to receive either subcutaneous 50 mg of Na-PPS twice daily or subcutaneous enoxaparin 40 mg once daily. Fondaparinux 2.5 mg once daily was given to Muslim women as an alternative to enoxaparin. The treatment was started 6 h postoperatively, for at least 3 days. All the patients received thromboembolic deterrent stockings. The primary efficacy outcome was venous thromboembolism up to 3 days postsurgery. The main safety outcomes were minor and major bleeding.

    RESULTS: Among 109 participants, there was no incidence of venous thromboembolism. None of the women developed major bleeding. Minor bleeding was observed in 28.3% (15/53) and 5.4% (3/56) of Na-PPS and standard thromboprophylaxis group, respectively (P = 0.001).

    CONCLUSION: Na-PPS was associated with increased risk of minor bleeding. There was insufficient data to conclude its efficacy as thromboprophylaxis. Further research is needed to evaluate Na-PPS safety as a standard thromboprophylactic agent.

    Matched MeSH terms: Postoperative Complications/prevention & control*
  13. Chan CY, Kwan MK, Saw LB
    Eur Spine J, 2010 Jan;19(1):78-84.
    PMID: 19763636 DOI: 10.1007/s00586-009-1157-8
    The objective of this cadaveric study is to determine the safety and outcome of thoracic pedicle screw placement in Asians using the funnel technique. Pedicle screws have superior biomechanical as well as clinical data when compared to other methods of instrumentation. However, misplacement in the thoracic spine can result in major neurological implications. There is great variability of the thoracic pedicle morphometry between the Western and the Asian population. The feasibility of thoracic pedicle screw insertion in Asians has not been fully elucidated yet. A pre-insertion radiograph was performed and surgeons were blinded to the morphometry of the thoracic pedicles. 240 pedicle screws were inserted in ten Asian cadavers from T1 to T12 using the funnel technique. 5.0 mm screws were used from T1 to T6 while 6.0 mm screws were used from T7 to T12. Perforations were detected by direct visualization via a wide laminectomy. The narrowest pedicles are found between T3 and T6. T5 pedicle width is smallest measuring 4.1 +/- 1.3 mm. There were 24 (10.0%) Grade 1 perforations and only 1 (0.4%) Grade 2 perforation. Grade 2 or worse perforation is considered significant perforation which would threaten the neural structures. There were twice as many lateral and inferior perforations compared to medial perforations. 48.0% of the perforations occurred at T1, T2 and T3 pedicles. Pedicle fracture occurred in 10.4% of pedicles. Intra-operatively, the absence of funnel was found in 24.5% of pedicles. In conclusion, thoracic pedicle screws using 5.0 mm at T1-T6 and 6.0 mm at T7-T12 can be inserted safely in Asian cadavers using the funnel technique despite having smaller thoracic pedicle morphometry.
    Matched MeSH terms: Postoperative Complications/prevention & control*
  14. Ramizah MS, Tee SC, Muhammad SJ, Abdul AH, Shahabuddin NH, Saiyidah Adila A
    Med J Malaysia, 2023 Jan;78(1):39-45.
    PMID: 36715190
    INTRODUCTION: Several risk factors found to be associated with postoperative complications and cancer surgery, which carry a significant morbidity risk to cancer patients. Therefore, prehabilitation is necessary to improve the functional capability and nutritional status of a patient prior to surgery, so that the patient can withstand any postoperative activity and associated deterioration. Thus, this study aims to assess the effectiveness of prehabilitation interventions on the functional status of patients with gastric and oesophageal cancer who underwent esophagectomy and gastrectomy.

    MATERIAL AND METHODS: An interventional study was carried out among oesophageal and gastric cancer patients who had undergone surgery at the National Cancer Institute of Malaysia. The prehabilitation process took a maximum of two weeks, depending on the patient's optimisation before surgery. The prehabilitation is based on functional capacity (ECOG performance status), muscle function (handgrip strength), cardio-respiratory function (peak flow meter) and nutritional status (calorie and protein). Postoperative outcomes are measured based on the length of hospital stay, complications, and Clavien-Dindo Classification.

    RESULTS: Thirty-one patients were recruited to undergo a prehabilitation intervention prior to gastrectomy (n=21) and esophagectomy (n=10). Demographically, most of the cancer patients were males (67.7%) with an ideal mean of BMI (23.5±6.0). Physically, the majority of them had physical class (ASA grade) Grade 2 (67.7%), ECOG performance status of 1 (61.3%) and SGA grade B (51.6%). The functional capacity and nutritional status showed a significant improvement after one week of prehabilitation interventions: peak expiratory flow meter (p<0.001), handgrip (p<0.001), ECOG performance (p<0.001), walking distance (p<0.001), incentive spirometry (p<0.001), total body calorie (p<0.001) and total body protein (p=0.004). However, those patients who required two weeks of prehabilitation for optimization showed only significant improvement in peak expiratory flow meter (p<0.001), handgrip (p<0.001), and incentive spirometry (p<0.001). Prehabilitation is significantly associated postoperatively with the length of hospital stay (p=0.028), complications (p=0.011) and Clavien-Dindo Classification (p=0.029).

    CONCLUSION: Prehabilitation interventions significantly increase the functional capacity and nutritional status of cancer patients preoperatively; concurrently reducing hospital stays and complications postoperatively. However, certain cancer patients might require over two weeks of prehabilitation to improve the patient's functional capacity and reduce complications postoperatively.

    Matched MeSH terms: Postoperative Complications/prevention & control
  15. Huam SH, Lim JM, Raman S
    Med J Malaysia, 1997 Mar;52(1):3-7.
    PMID: 10968046
    This prospective, randomised, controlled trial was performed to evaluate the effectiveness of single-dose antibiotic prophylaxis in decreasing the infectious morbidity following elective caesarean section. Two hundred women undergoing elective caesarean section were randomly assigned to receive either 1.2 g of Augmentin intravenously, or no treatment, just before the start of their caesarean section. The two groups of women were comparable in terms of patient characteristics and operation variables. The overall postoperative morbidity rate was 19% in the Augmentin treated group versus 38% in the group that received no prophylaxis (p < 0.01). The incidence of wound sepsis was 3% in the Augmentin group versus 13% in the control group (p < 0.01). The incidence of febrile morbidity with no identifiable cause was 8% in the Augmentin group versus 18% in the control group (p < 0.05). The duration of hospital stay was significantly shorter in the Augmentin group (p < 0.05). A single-dose of prophylactic Augmentin significantly reduced the postoperative morbidity and duration of hospital stay in women who underwent elective caesarean sections.
    Matched MeSH terms: Postoperative Complications/prevention & control*
  16. Jee SL, Jarmin R, Lim KF, Raman K
    Asian J Surg, 2018 Jan;41(1):47-54.
    PMID: 27530927 DOI: 10.1016/j.asjsur.2016.07.010
    BACKGROUND: In patients with acute biliary pancreatitis (ABP), cholecystectomy is mandatory to prevent further biliary events, but the precise timing of cholecystectomy for mild to moderate disease remain a subject of ongoing debate. The aim of this study is to assess the outcomes of early versus delayed cholecystectomy. We hypothesize that early cholecystectomy as compared to delayed cholecystectomy reduces recurrent biliary events without a higher peri-operative complication rate.

    METHODS: Patients with mild to moderate ABP were prospectively randomized to either an early cholecystectomy versus a delayed cholecystectomy group. Recurrent biliary events, peri-operative complications, conversion rate, length of surgery and total hospital length of stay between the two groups were evaluated.

    RESULTS: A total of 72 patients were enrolled at a single public hospital. Of them, 38 were randomized to the early group and 34 patients to the delayed group. There were no differences regarding peri-operative complications (7.78% vs 11.76%; p = 0.700), conversion rate to open surgery (10.53% vs 11.76%; p = 1.000) and duration of surgery performed (80 vs 85 minutes, p = 0.752). Nevertheless, a greater rate of recurrent biliary events was found in the delayed group (44.12% vs 0%; p ≤ 0.0001) and the hospital length of stay was longer in the delayed group (9 vs 8 days, p = 0.002).

    CONCLUSION: In mild to moderate ABP, early laparoscopic cholecystectomy reduces the risk of recurrent biliary events without an increase in operative difficulty or perioperative morbidity.

    Matched MeSH terms: Postoperative Complications/prevention & control
  17. Norsidah AM, Puvaneswari A
    Singapore Med J, 1997 May;38(5):200-4.
    PMID: 9259599
    The immediate post-operative period in the recovery room is a known period of high risk for anaesthetic complications to occur.
    Matched MeSH terms: Postoperative Complications/prevention & control
  18. Quek DK, Pung LY
    Med J Malaysia, 1990 Sep;45(3):208-19.
    PMID: 2152082
    Cardiac complications comprise as much as 50% of perioperative vascular surgical morbidity and mortality. Using the Goldman multifactorial index for evaluating cardiac risk pre-operatively, 53 consecutive patients who underwent abdominal aortic aneurysm surgery were prospectively studied. Forty patients (75.5%) were also evaluated with echocardiography for assessment of left ventricular function. There were 14 (23.7%) peri-operative events, of which nine (17.0%) were acute myocardial infarctions--two of whom died (3.8%). The minor complications included three with hypovolaemic renal failure, and one each with acute respiratory failure and cerebrovascular accident. Patients with Goldman cardiac risk index (CRI) classes III and IV were associated with significantly higher risks of peri-operative complications (p less than 0.001), i.e. 77.8% and 66.7% respectively, compared with class II (22.7%) and class I (nil). Echocardiographic left ventricular shortening fraction (LVFS) of less than 28% helped identify high risk groups in all classes, although its positive predictive value was low (42.3%). Combining LVFS less than 28% with Goldman CRI categories II to IV improved the sensitivity to 91.7% and the positive predictive value to 61.1%. Careful pre-operative assessment using the simple Goldman index and echocardiography is helpful in identifying higher risk patients who would benefit from pre-operative stabilisation and more rigorous perioperative hemodynamic monitoring preferably including intensive care (ICU) management, so as to reduce cardiac complications.
    Matched MeSH terms: Postoperative Complications/prevention & control*
  19. Sessler DI, Conen D, Leslie K, Yusuf S, Popova E, Graham M, et al.
    Anesthesiology, 2020 04;132(4):692-701.
    PMID: 32022771 DOI: 10.1097/ALN.0000000000003158
    BACKGROUND: The authors previously reported that perioperative aspirin and/or clonidine does not prevent a composite of death or myocardial infarction 30 days after noncardiac surgery. Moreover, aspirin increased the risk of major bleeding and clonidine caused hypotension and bradycardia. Whether these complications produce harm at 1 yr remains unknown.

    METHODS: The authors randomized 10,010 patients with or at risk of atherosclerosis and scheduled for noncardiac surgery in a 1:1:1:1 ratio to clonidine/aspirin, clonidine/aspirin placebo, clonidine placebo/aspirin, or clonidine placebo/aspirin placebo. Patients started taking aspirin or placebo just before surgery; those not previously taking aspirin continued daily for 30 days, and those taking aspirin previously continued for 7 days. Patients were also randomly assigned to receive clonidine or placebo just before surgery, with the study drug continued for 72 h.

    RESULTS: Neither aspirin nor clonidine had a significant effect on the primary 1-yr outcome, a composite of death or nonfatal myocardial infarction, with a 1-yr hazard ratio for aspirin of 1.00 (95% CI, 0.89 to 1.12; P = 0.948; 586 patients [11.8%] vs. 589 patients [11.8%]) and a hazard ratio for clonidine of 1.07 (95% CI, 0.96 to 1.20; P = 0.218; 608 patients [12.1%] vs. 567 patients [11.3%]), with effect on death or nonfatal infarction. Reduction in death and nonfatal myocardial infarction from aspirin in patients who previously had percutaneous coronary intervention at 30 days persisted at 1 yr. Specifically, the hazard ratio was 0.58 (95% CI, 0.35 to 0.95) in those with previous percutaneous coronary intervention and 1.03 (95% CI, 0.91to 1.16) in those without (interaction P = 0.033). There was no significant effect of either drug on death, cardiovascular complications, cancer, or chronic incisional pain at 1 yr (all P > 0.1).

    CONCLUSIONS: Neither perioperative aspirin nor clonidine have significant long-term effects after noncardiac surgery. Perioperative aspirin in patients with previous percutaneous coronary intervention showed persistent benefit at 1 yr, a plausible sub-group effect.

    Matched MeSH terms: Postoperative Complications/prevention & control
  20. Suzanna AB, Liu CY, Rozaidi SW, Ooi JS
    Med J Malaysia, 2011 Oct;66(4):304-7.
    PMID: 22299547
    The LMA-Classic laryngeal mask airway (Classic LMA) is an autoclavable and reusable laryngeal mask airway with strong evidence supporting its efficacy and safety. Due to the concern of infection risk particularly of prion disease, various single-use laryngeal mask devices were developed. The Ambu AuraOnce LMA (Ambu LMA) is a single use disposable laryngeal mask airway with special design that conforms better to the anatomy of the airway.
    Matched MeSH terms: Postoperative Complications/prevention & control
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