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  1. Husain S, Ramos JA, Karaf JHA, Zahedi FD, Ahmad N, Abdullah B
    Eur Arch Otorhinolaryngol, 2023 Feb;280(2):737-741.
    PMID: 35900386 DOI: 10.1007/s00405-022-07563-9
    PURPOSE: To evaluate the efficacy of topical tranexamic acid (TXA) in reducing intraoperative and immediate postoperative bleeding during functional endoscopic sinus surgery (FESS) among patients with chronic rhinosinusitis with nasal polyposis (CRSwNP).

    METHODS: This is a double-blind randomized clinical trial, involving 26 patients with CRSwNP, who underwent FESS for failed medical therapy. The intervention nostril was packed with ribbon gauze soaked in 500 mg/5 ml TXA. The control nostril was packed with ribbon gauze soaked in Moffett's solution, containing 2 ml 10% cocaine, 1 ml adrenaline 1:1000, and 4 ml 0.9% sodium bicarbonate. Both nostrils were packed for 15 min before FESS. Intraoperative bleeding was recorded in the initial 30 min after commencing the surgery. The recordings were reviewed by two surgeons using Boezaart's scoring system. The scores were taken at 15 and 30 min of surgery. The mean score was then calculated. At the end of the surgery, the intervention nostril was packed with Merocel® soaked in 500 mg/5 ml TXA and the control nostril was packed with Merocel® soaked in normal saline. The amount of bleeding within 24 h post-surgery was evaluated using a bolster gauze.

    RESULTS: There was no significant difference in intraoperative bleeding between the intervention (1.54 ± 0.71) and control nostrils (1.69 ± 0.55) with p = 0.172. The amount of bleeding in the postoperative period was significantly reduced in the intervention nostril (1.33 ± 0.55) compared to the control nostril saline (1.81 ± 0.48) with p = 0.001.

    CONCLUSIONS: We found that the nasal packing soaked in TXA reduced intraoperative and immediate postoperative bleeding. It is a safe, efficacious and cost-effective alternative to Moffett's solution during FESS and also an alternative to normal saline post-surgery among patients with CRSwNP.

    TRIAL REGISTRATION NUMBER: FF-2015-232, 2015.

    Matched MeSH terms: Postoperative Hemorrhage/etiology; Postoperative Hemorrhage/prevention & control
  2. Ng KT, Yap JLL, Kwok PE
    J Clin Anesth, 2020 Aug;63:109782.
    PMID: 32193125 DOI: 10.1016/j.jclinane.2020.109782
    BACKGROUND: Low level of fibrinogen is a risk factor of perioperative bleeding, which is a major complication in surgical patients. However, the safety and efficacy of fibrinogen supplementation with fibrinogen concentrate to minimize postoperative bleeding remains unclear.

    OBJECTIVES: The primary aim of this review was to investigate the effect of fibrinogen concentrate in postoperative blood loss in adult surgical patients.

    DESIGN: Systematic review and meta-analysis.

    DATA SOURCES: Databases of MEDLINE, EMBASE and CENTRAL were searched from their start date until July 2019.

    ELIGIBILITY CRITERIA: All randomized clinical trials comparing intravenous fibrinogen concentrate and placebo in adult surgical patients were included, regardless of type of surgery. Observational studies, case reports, case series and non-systematic reviews were excluded.

    RESULTS: Thirteen trials (n = 900) were included in this review. In comparison to placebo, fibrinogen concentrate significantly reduced the first 12-hour postoperative blood loss, with a mean difference of -134.6 ml (95% CI -181.9 to -87.4). It also significantly increased clot firmness in thromboelastometry (FIBTEM) with a mean difference of 2.5 mm (95%CI 1.1 to 3.8). No significant differences were demonstrated in the adverse events associated with fibrinogen concentrate use, namely incidence of thromboembolism, myocardial infarction and acute kidney injury.

    CONCLUSIONS: In this meta-analysis of 13 randomized trials, low level of evidence and substantial heterogeneity with small sample size limit strong recommendation on the use of fibrinogen concentrate in adult surgical patients. However, its use is tolerable without any notable adverse events.

    TRIAL REGISTRATION: CRD42019149164.

    Matched MeSH terms: Postoperative Hemorrhage/chemically induced; Postoperative Hemorrhage/epidemiology; Postoperative Hemorrhage/prevention & control
  3. Kumbargere Nagraj S, Prashanti E, Aggarwal H, Lingappa A, Muthu MS, Kiran Kumar Krishanappa S, et al.
    Cochrane Database Syst Rev, 2018 Mar 04;3(3):CD011930.
    PMID: 29502332 DOI: 10.1002/14651858.CD011930.pub3
    BACKGROUND: Post-extraction bleeding (PEB) is a recognised, frequently encountered complication in dental practice, which is defined as bleeding that continues beyond 8 to 12 hours after dental extraction. The incidence of post-extraction bleeding varies from 0% to 26%. If post-extraction bleeding is not managed, complications can range from soft tissue haematomas to severe blood loss. Local causes of bleeding include soft tissue and bone bleeding. Systemic causes include platelet problems, coagulation disorders or excessive fibrinolysis, and inherited or acquired problems (medication induced). There is a wide array of techniques suggested for the treatment of post-extraction bleeding, which include interventions aimed at both local and systemic causes. This is an update of a review published in June 2016.

    OBJECTIVES: To assess the effects of interventions for treating different types of post-extraction bleeding.

    SEARCH METHODS: Cochrane Oral Health's Information Specialist searched the following databases: Cochrane Oral Health's Trials Register (to 24 January 2018), the Cochrane Central Register of Controlled Trials (CENTRAL) (the Cochrane Library, 2017, Issue 12), MEDLINE Ovid (1946 to 24 January 2018), Embase Ovid (1 May 2015 to 24 January 2018) and CINAHL EBSCO (1937 to 24 January 2018). The US National Institutes of Health Trials Registry (ClinicalTrials.gov) and the World Health Organization International Clinical Trials Registry Platform were searched for ongoing trials. We searched the reference lists of relevant systematic reviews.

    SELECTION CRITERIA: We considered randomised controlled trials (RCTs) that evaluated any intervention for treating PEB, with male or female participants of any age, regardless of type of teeth (anterior or posterior, mandibular or maxillary). Trials could compare one type of intervention with another, with placebo, or with no treatment.

    DATA COLLECTION AND ANALYSIS: Three pairs of review authors independently screened search records. We obtained full papers for potentially relevant trials. If data had been extracted, we would have followed the methods described in the Cochrane Handbook for Systematic Reviews of Interventions for the statistical analysis.

    MAIN RESULTS: We did not find any randomised controlled trial suitable for inclusion in this review.

    AUTHORS' CONCLUSIONS: We were unable to identify any reports of randomised controlled trials that evaluated the effects of different interventions for the treatment of post-extraction bleeding. In view of the lack of reliable evidence on this topic, clinicians must use their clinical experience to determine the most appropriate means of treating this condition, depending on patient-related factors. There is a need for well designed and appropriately conducted clinical trials on this topic, which conform to the CONSORT statement (www.consort-statement.org/).

    Matched MeSH terms: Postoperative Hemorrhage/etiology; Postoperative Hemorrhage/therapy*
  4. Krishnan, H., Yoon, T.R., Park, K.S.
    Malays Orthop J, 2010;4(1):26-31.
    MyJurnal
    This retrospective study was undertaken to analyze perioperative parameters, functional outcomes and complications of cemented versus uncemented bipolar hemiarthroplasty in elderly patients presenting with displaced intracapsular femoral neck fracture. The authors reviewed 17 patients that underwent cemented bipolar hemiarthroplasty and 21 patients that underwent uncemented bipolar hemiarthroplasty. The mean follow-up duration in the cemented and uncemented group was 29.9 and 30.5 months respectively. Intraoperative and postoperative blood loss was higher in the cemented group. On the last follow-up the mean HHS was 74.7 in the cemented group and 84.2 in the uncemented group. No statistically significant difference was evident in the pain score. In summary, bipolar hemiarthroplasty was found to be a good option for displaced intracapsular femoral neck fractures, and overall outcome was marginally better in the uncemented group in terms of postoperative of blood loss and functional outcome at last follow up.
    Matched MeSH terms: Postoperative Hemorrhage
  5. Masir N, Tamby MR, Jamil MA
    Med J Malaysia, 2000 Mar;55(1):138-40.
    PMID: 11072500
    We report a case of cervical pregnancy complicated by life threatening hemorrhage. An initial diagnosis of molar pregnancy was made preoperatively. During uterine evacuation she developed profuse hemorrhage which required an emergency hysterectomy for uncontrolled bleeding. Histopathological examination confirmed a cervical pregnancy. The clinical and pathological criteria for the diagnosis and the etiology of cervical pregnancy are discussed.
    Matched MeSH terms: Postoperative Hemorrhage/surgery
  6. Hansen-Algenstaedt N, Kwan MK, Algenstaedt P, Chiu CK, Viezens L, Chan TS, et al.
    Spine (Phila Pa 1976), 2017 May 15;42(10):789-797.
    PMID: 27584676 DOI: 10.1097/BRS.0000000000001893
    STUDY DESIGN: Prospective propensity score-matched study.

    OBJECTIVE: To compare the outcomes of minimal invasive surgery (MIS) and conventional open surgery for spinal metastasis patients.

    SUMMARY OF BACKGROUND DATA: There is lack of knowledge on whether MIS is comparable to conventional open surgery in treating spinal metastasis.

    METHODS: Patients with spinal metastasis requiring surgery from January 2008 to December 2010 in two spine centers were recruited. The demographic, preoperative, operative, perioperative and postoperative data were collected and analyzed. Thirty MIS patients were matched with 30 open surgery patients using propensity score matching technique with a match tolerance of 0.02 based on the covariate age, tumor type, Tokuhashi score, and Tomita score.

    RESULTS: Both groups had significant improvements in Eastern Cooperative Oncology Group (ECOG), Karnofsky scores, visual analogue scale (VAS) for pain and neurological status postoperatively. However, the difference comparing the MIS and open surgery group was not statistically significant. MIS group had significantly longer instrumented segments (5.5 ± 3.1) compared with open group (3.8 ± 1.7). Open group had significantly longer decompressed segment (1.8 ± 0.8) than MIS group (1.0 ± 1.0). Open group had significantly more blood loss (2062.1 ± 1148.0 mL) compared with MIS group (1156.0 ± 572.3 mL). More patients in the open group (76.7%) needed blood transfusions (with higher average units of blood transfused) compared with MIS group (40.0%). Fluoroscopy time was significantly longer in MIS group (116.1 ± 63.3 s) compared with open group (69.9 ± 42.6 s). Open group required longer hospitalization (21.1 ± 10.8 days) compared with MIS group (11.0 ± 5.0 days).

    CONCLUSION: This study demonstrated that MIS resulted in comparable outcome to open surgery for patients with spinal metastasis but has the advantage of less blood loss, blood transfusions, and shorter hospital stay.

    LEVEL OF EVIDENCE: 3.

    Matched MeSH terms: Postoperative Hemorrhage/pathology
  7. Bassan MS, Sundaralingam P, Fanning SB, Lau J, Menon J, Ong E, et al.
    Gastrointest Endosc, 2018 Jun;87(6):1454-1460.
    PMID: 29317269 DOI: 10.1016/j.gie.2017.11.037
    BACKGROUND AND AIMS: Wire-guided biliary cannulation has been demonstrated to improve cannulation rates and reduce post-ERCP pancreatitis (PEP), but the impact of wire caliber has not been studied. This study compares successful cannulation rates and ERCP adverse events by using a 0.025-inch and 0.035-inch guidewire.

    METHODS: A randomized, single blinded, prospective, multicenter trial at 9 high-volume tertiary-care referral centers in the Asia-Pacific region was performed. Patients with an intact papilla and conventional anatomy who did not have malignancy in the head of the pancreas or ampulla and were undergoing ERCP were recruited. ERCP was performed by using a standardized cannulation algorithm, and patients were randomized to either a 0.025-inch or 0.035-inch guidewire. The primary outcomes of the study were successful wire-guided cannulation and the incidence of PEP. Overall successful cannulation and ERCP adverse events also were studied.

    RESULTS: A total of 710 patients were enrolled in the study. The primary wire-guided biliary cannulation rate was similar in 0.025-inch and 0.035-inch wire groups (80.7% vs 80.3%; P = .90). The rate of PEP between the 0.025-inch and the 0.035-inch wire groups did not differ significantly (7.8% vs 9.3%; P = .51). No differences were noted in secondary outcomes.

    CONCLUSION: Similar rates of successful cannulation and PEP were demonstrated in the use of 0.025-inch and 0.035-inch guidewires. (Clinical trial registration number: NCT01408264.).

    Matched MeSH terms: Postoperative Hemorrhage/epidemiology
  8. Teoh WY, Tan TG, Ng KT, Ong KX, Chan XL, Hung Tsan SE, et al.
    Ann Surg, 2021 Apr 01;273(4):676-683.
    PMID: 32282377 DOI: 10.1097/SLA.0000000000003896
    OBJECTIVES: Perioperative bleeding remains a major concern to all clinicians caring for perioperative patients. Due to the theoretical risk of thromboembolic events associated with tranexamic acid (TXA) when administered intravenously, topical route of TXA has been extensively studied, but its safety and efficacy profile remain unclear in the literature. The primary aim of this review was to assess the effect of topical TXA on incidence of blood transfusion and mortality in adults undergoing surgery.

    DATA SOURCES: EMBASE, MEDLINE, CENTRAL, and ISI Web of Science were systematically searched from their inception until May 31, 2019.

    REVIEW METHODS: Parallel-arm randomized controlled trials were included.

    RESULTS: Seventy-one trials (7539 participants: orthopedics 5450 vs nonorthopedics 1909) were included for quantitative meta-analysis. In comparison to placebo, topical TXA significantly reduced intraoperative blood loss [mean difference (MD) -36.83 mL, 95% confidence interval (CI) -54.77 to -18.88, P < 0.001], total blood loss (MD -319.55 mL, 95% CI -387.42 to -251.69, P < 0.001), and incidence of blood transfusion [odds ratio (OR) 0.30, 95% CI 0.26-0.34, P < 0.001]. Patients who received topical TXA were associated with a shorter length of hospital stay (MD -0.28 days, 95% CI -0.47 to -0.08, P = 0.006). No adverse events associated with the use of topical TXA were observed, namely mortality (OR 0.78, 95% CI 0.45-1.36, P = 0.39), pulmonary embolism (OR 0.73, 95% CI 0.27-1.93, P = 0.52), deep vein thrombosis (OR 1.07, 95% CI 0.65-1.77, P = 0.79), myocardial infarction (OR 0.79, 95% CI 0.21-2.99, P = 0.73), and stroke (OR 0.85, 95% CI 0.28-2.57, P = 0.77). Of all included studies, the risk of bias assessment was "low" for 20 studies, "unclear" for 26 studies and "high" for 25 studies.

    CONCLUSIONS: In the meta-analysis of 71 trials (7539 patients), topical TXA reduced the incidence of blood transfusion without any notable adverse events associated with TXA in adults undergoing surgery.

    PROSPERO: CRD 42018111762.

    Matched MeSH terms: Postoperative Hemorrhage/prevention & control*
  9. Jaafar N, Nor GM
    Singapore Dent J, 2000 Feb;23(1):24-8.
    PMID: 11602946
    The aim of this retrospective study is to report on the prevalence of post-extraction complications among patients attending the Oral Surgery outpatient clinic of the Faculty of Dentistry, University of Malaya over a 12-month period from January to December, 1992. The prevalence of post-extraction complications which required further treatment was only 3.4% (n = 100), out of a total of 2968 patients who had extraction of one or more permanent teeth. Analysis based on complete clinical reports (n = 79) showed that dry socket accounted for nine out of ten cases of post-extraction complications. However the aetiology was largely unknown. No obvious association with medical history could be made. Lower teeth were more likely to have complications. The most common teeth associated with dry socket were the molars (76%) and premolars (19%). The most common molars to be affected are the first, followed by the third and lastly the second molars. A brief review of current aetiological factors of dry socket was discussed.
    Matched MeSH terms: Postoperative Hemorrhage/etiology; Postoperative Hemorrhage/epidemiology
  10. Azlan CA, Mohd Nasir NF, Saifizul AA, Faizul MS, Ng KH, Abdullah BJ
    Australas Phys Eng Sci Med, 2007 Dec;30(4):288-91.
    PMID: 18274069
    Percutaneous image-guided needle biopsy is typically performed in highly vascular organs or in tumours with rich macroscopic and microscopic blood supply. The main risks related to this procedure are haemorrhage and implantation of tumour cells in the needle tract after the biopsy needle is withdrawn. From numerous conducted studies, it was found that heating the needle tract using alternating current in radiofrequency (RF) range has a potential to minimize these effects. However, this solution requires the use of specially designed needles, which would make the procedure relatively expensive and complicated. Thus, we propose a simple solution by using readily available coaxial core biopsy needles connected to a radiofrequency ablation (RFA) generator. In order to do so, we have designed and developed an adapter to interface between these two devices. For evaluation purpose, we used a bovine liver as a sample tissue. The experimental procedure was done to study the effect of different parameter settings on the size of coagulation necrosis caused by the RF current heating on the subject. The delivery of the RF energy was varied by changing the values for delivered power, power delivery duration, and insertion depth. The results showed that the size of the coagulation necrosis is affected by all of the parameters tested. In general, the size of the region is enlarged with higher delivery of RF power, longer duration of power delivery, and shallower needle insertion and become relatively constant after a certain value. We also found that the solution proposed provides a low cost and practical way to minimizes unwanted post-biopsy effects.
    Matched MeSH terms: Postoperative Hemorrhage/prevention & control
  11. Sharma G, Hanipah ZN, Aminian A, Punchai S, Bucak E, Schauer PR, et al.
    Obes Surg, 2018 08;28(8):2225-2232.
    PMID: 29455405 DOI: 10.1007/s11695-018-3120-4
    BACKGROUND: Perioperative management of chronically anti-coagulated patients undergoing bariatric surgery requires a balance of managing hemorrhagic and thromboembolic risks. The aim of this study is to evaluate the incidence of hemorrhagic complications and their management in chronically anticoagulated (CAT) patients undergoing bariatric surgery.

    METHODS: A retrospective review of CAT patients undergoing bariatric surgery at an academic center from 2008 to 2015 was studied.

    RESULTS: A total of 153 patients on CAT underwent surgery [Roux-en-Y gastric bypass (n = 79), sleeve gastrectomy (n = 63), and adjustable gastric banding (n = 11)] during the study period: 85 patients (55%) were females; median age was 56 years (interquartile range [IQR] 49-64), and median BMI was 49 kg/m2 (IQR 43-56). The most common indications for CAT were venous thromboembolism (n = 87) and atrial fibrillation (n = 83). Median duration of procedure and estimated intraoperative blood loss was 150 min (IQR 118-177) and 50 ml (IQR 25-75), respectively. Thirty-day postoperative complications were reported in 33 patients (21.6%) including postoperative bleeding (n = 19), anastomotic leak (n = 3), and pulmonary embolism (n = 1). Nineteen patients (12%) with early postoperative bleeding were further categorized to intra-abdominal (n = 10), intraluminal (n = 6), and at the port site or abdominal wall (n = 3). All-cause readmissions within 30 days of surgery occurred in 19 patients (12%). There was no 30-day mortality.

    CONCLUSION: In our experience, patients who require chronic anticoagulation medication are higher than average risk for postoperative complications and all-cause readmission rates. Careful surgical technique and close attention to postoperative anticoagulation protocols are essential to decrease perioperative risk in this high-risk cohort.

    Matched MeSH terms: Postoperative Hemorrhage/etiology
  12. Ooi JS, Ramzisham AR, Zamrin MD
    Asian Cardiovasc Thorac Ann, 2009 Aug;17(4):368-72.
    PMID: 19713332 DOI: 10.1177/0218492309338101
    The aim of this study was to compare 6% hydroxyethyl starch 130/0.4 with 4% succinylated gelatin for priming the cardiopulmonary bypass circuit and as volume replacement in patients undergoing coronary artery bypass, in terms of postoperative bleeding, blood transfusion requirements, renal function, and outcome after surgery. Forty-five patients received 6% hydroxyethyl starch 130/0.4 (Voluven) and another 45 were given 4% succinylated gelatin (Gelofusine) as the priming solution for the cardiopulmonary bypass circuit as well as for volume replacement. Postoperative bleeding was quantified from the hourly chest drainage in the first 4 h and at 24 h postoperatively. The baseline characteristics of both groups were similar. In the hydroxyethyl starch group, the total amount of colloid used was 1.9 +/- 1.0 L, while the gelatin group had 2.0 +/- 0.7 L. There was no significant difference in hourly chest drainage between groups. Blood transfusion requirements, estimated glomerular filtration rate, extubation time, intensive care unit and hospital stay were similar in both groups. It was concluded that 6% hydroxyethyl starch 130/0.4 is a safe alternative colloid for priming the cardiopulmonary bypass circuit and volume replacement in patients undergoing coronary artery bypass surgery.
    Matched MeSH terms: Postoperative Hemorrhage/etiology; Postoperative Hemorrhage/prevention & control
  13. Ahmad R, Abdullah K, Amin Z, Rahman JA
    Auris Nasus Larynx, 2010 Apr;37(2):185-9.
    PMID: 19720483 DOI: 10.1016/j.anl.2009.06.010
    To assess the safety of tonsillectomy procedure in local setting.
    Matched MeSH terms: Postoperative Hemorrhage/etiology
  14. Achanna S, Monga D, Hassan MS
    J Obstet Gynaecol Res, 1996 Apr;22(2):107-9.
    PMID: 8697337
    Acute abdominal pain during pregnancy presents a dilemma as signs and symptoms are often modified. Abdominal massage by traditional birth attendants (TBAs') during early labour is a common practice in the rural population, as it is perceived to give a soothening effect to the labouring mother. Many instances of abruptio placentae were reported in the past by this procedure, and in this case, the clinical picture presented as an abruptio placenta. Malpresentation and failure to progress were the indications for caesarean section despite the fetal demise. Severe post partum haemorrhage and failure to contract despite massive oxytocics resulted in the hysterectomy of the gravid horn, leaving the other horn intact.
    Matched MeSH terms: Postoperative Hemorrhage/etiology
  15. 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 Hemorrhage/chemically induced*
  16. Phillips KP, Pokushalov E, Romanov A, Artemenko S, Folkeringa RJ, Szili-Torok T, et al.
    Europace, 2018 06 01;20(6):949-955.
    PMID: 29106523 DOI: 10.1093/europace/eux183
    Aims: Long-term results from catheter ablation therapy for atrial fibrillation (AF) remain uncertain and clinical practice guidelines recommend continuation of long-term oral anticoagulation in patients with a high stroke risk. Left atrial appendage closure (LAAC) with Watchman has emerged as an alternative to long-term anticoagulation for patients accepting of the procedural risks. We report on the initial results of combining catheter ablation procedures for AF and LAAC in a multicentre registry.

    Methods and results: Data were pooled from two prospective, real-world Watchman LAAC registries running in parallel in Europe/Middle-East/Russia (EWOLUTION) and Asia/Australia (WASP) between 2013 and 2015. Of the 1140 patients, 139 subjects at 10 centres underwent a concomitant AF ablation and LAAC procedure. The mean CHA2DS2-VASc score was 3.4 ± 1.4 and HAS-BLED score 1.5 ± 0.9. Successful Watchman implantation was achieved in 100% of patients. The overall 30-day serious adverse event (SAE) rate was 8.7%, with the device and/or procedure-related SAE rate of 1.4%. One pericardial effusion required percutaneous drainage, but there were no strokes, device embolization, or deaths at 30 days. The 30-day bleeding SAE rate was 2.9% with 55% of patients prescribed NOAC and 38% taking warfarin post-procedure.

    Conclusion: The outcomes from these international, multicentre registries support the feasibility and safety of performing combined procedures of ablation and Watchman LAAC for patients with non-valvular AF and high stroke risk. Further data are needed on long-term outcomes for the hybrid technique on all-cause stroke and mortality.

    Matched MeSH terms: Postoperative Hemorrhage/diagnosis*
  17. Biccard BM, Sigamani A, Chan MTV, Sessler DI, Kurz A, Tittley JG, et al.
    Br J Surg, 2018 11;105(12):1591-1597.
    PMID: 30019751 DOI: 10.1002/bjs.10925
    BACKGROUND: In the POISE-2 (PeriOperative ISchemic Evaluation 2) trial, perioperative aspirin did not reduce cardiovascular events, but increased major bleeding. There remains uncertainty regarding the effect of perioperative aspirin in patients undergoing vascular surgery. The aim of this substudy was to determine whether there is a subgroup effect of initiating or continuing aspirin in patients undergoing vascular surgery.

    METHODS: POISE-2 was a blinded, randomized trial of patients having non-cardiac surgery. Patients were assigned to perioperative aspirin or placebo. The primary outcome was a composite of death or myocardial infarction at 30 days. Secondary outcomes included: vascular occlusive complications (a composite of amputation and peripheral arterial thrombosis) and major or life-threatening bleeding.

    RESULTS: Of 10 010 patients in POISE-2, 603 underwent vascular surgery, 319 in the continuation and 284 in the initiation stratum. Some 272 patients had vascular surgery for occlusive disease and 265 had aneurysm surgery. The primary outcome occurred in 13·7 per cent of patients having aneurysm repair allocated to aspirin and 9·0 per cent who had placebo (hazard ratio (HR) 1·48, 95 per cent c.i. 0·71 to 3·09). Among patients who had surgery for occlusive vascular disease, 15·8 per cent allocated to aspirin and 13·6 per cent on placebo had the primary outcome (HR 1·16, 0·62 to 2·17). There was no interaction with the primary outcome for type of surgery (P = 0·294) or aspirin stratum (P = 0·623). There was no interaction for vascular occlusive complications (P = 0·413) or bleeding (P = 0·900) for vascular compared with non-vascular surgery.

    CONCLUSION: This study suggests that the overall POISE-2 results apply to vascular surgery. Perioperative withdrawal of chronic aspirin therapy did not increase cardiovascular or vascular occlusive complications. Registration number: NCT01082874 ( http://www.clinicaltrials.gov).

    Matched MeSH terms: Postoperative Hemorrhage/chemically induced
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