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Epidural anaesthesia and myomectomy-associated blood loss: - a prospective randomised controlled study
Farghali M, Ibrahim AS, Farrag WS
Ginekologia polska. 2022
Abstract
OBJECTIVES The management of anaesthesia for patients with large myomas is particularly important due to disruption of hemodynamic as a result of massive haemorrhage, the prolonged duration of surgery and requirement for additional interventions. This study evaluated the effect of anaesthetic technique on blood loss in patients undergoing myomectomy due to large fibroid uterus. MATERIAL AND METHODS A total of 156 patients that underwent myomectomy were randomized into two equal groups according to the type of anaesthesia: Epidural anaesthesia group and General anaesthesia group. The volume of blood loss and blood products transfusion was reviewed for each patient. RESULTS The intraoperative blood loss and need for blood transfusion were significantly higher in general anaesthesia group (p < 0.001). The mean hematocrit change was 2.5 ± 1.5 vs 3.7 ± 2.9 % (p = 0.001) for both groups. CONCLUSIONS In the myomectomy planning of women with a large fibroid uterus, the team of gynecologists and anaesthesiologists should take care to choose the most optimal technique for anaesthesia.
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The safty profile of blood salvage applied for collected blood with amniotic fluid during cesarean section
Rong X, Guo X, Zeng H, Wang J, Li M, Wang Y
BMC pregnancy and childbirth. 2022;22(1):160
Abstract
BACKGROUND The guidelines of National Health Service(NHS, the United Kingdom) recommended for use in obstetrics at increased risk of bleeding, requiring two suction devices to reduce amniotic fluid contamination, however, when comes to massive hemorrhage, it is may difficult to operate because the complex operation may delay time. The aim of the study was to detect the effect of amniotic fluid recovery on intraoperative cell salvage in obstetrics and provide evidence for clinical applications. METHOD Thirty-four patients undergoing elective cesarean section were randomly divided into two groups. In group 1, the cumulative blood from the operation field, including the amniotic fluid, was collected using a single suction device for processing. In group 2, after suctioning away the amniotic fluid using another suction device for the cumulative blood from the operation field. From each group, four samples were taken, including maternal venous blood (sample I), blood before washing (sample II), blood after washing (sample III) and blood after filtration with a leukocyte filter (sample IV), to detect serum potassium (K +), hemoglobin (Hb), white blood cell (WBC), fetal hemoglobin (HbF), alpha fetoprotein (AFP) and squamous cell (SC) levels. RESULTS The AFP, K + and WBC levels of sample III and sample IV were significantly lower than sample I in group 1 and group 2 (P < 0.05). Significantly more SCs were found in sample III than in sample I in group 1 and group 2 (P < 0.05), but SCs of sample IV had no statistical difference compared to sample I in group 1 and group 2 (P > 0.05). There was no significant difference in the K + , Hb, WBC, AFP and SC levels of sample IV between group 1 and group 2 (P > 0.05). The HbF levels of sample III and sample IV were significantly higher in group 1 than in group 2 (P < 0.05). CONCLUSION There is little or no possibility for AF contamination to enter the re-infusion system when used in conjunction with a leucodepletion filter. For maternal with Rh-negative blood, we recommend two suction devices to reduce HbF pollution. TRIAL REGISTRATION ChiCTR1800015684 , 2018.4.15.
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Safety and efficacy of lidocaine plus epinephrine on intraoperative bleeding in abdominal myomectomy: A double-blind clinical trial
Mansour-Ghanaei M, Hosseinzadeh F, Sharami SH, Biazar G, Noori F, Asgari-Ghalebin SM
Health science reports. 2022;5(2):e551
Abstract
BACKGROUND Uterine fibroid is a common benign pelvic tumor and abdominal myomectomy may cause excessive intraoperative bleeding, which may lead to adverse outcomes. OBJECTIVE This study was planned to evaluate the effectiveness of the injection of lidocaine plus epinephrine to reduce intraoperative bleeding in abdominal myomectomy. METHODS During October 2019 and May 2020, 60 eligible women with uterine fibroids were enrolled in a randomized controlled trial. Our patients were divided into two groups of lidocaine plus epinephrine defined as Group L and placebo defined as Group P. In group L, lidocaine 3 mg/kg plus 0.5 ml of adrenaline which reached to 50 cc with saline solution and in group P, 50 ml of normal saline was used. Both the combined solution and normal saline were infiltrated to the serous and myometrium above and around the fibroid before incision. Patients' demographic data, total operative time, hemoglobin changes, and the degree of surgical difficulty were evaluated and compared between the two groups. RESULTS There was no significant difference between the two groups in terms of demographic data. Hemoglobin changes (p < 0.0001) and the degree of surgery difficulty (p = 0.01) were significantly lower in Group L compared with Group P. In each group the drop in hemoglobin levels from baseline to 4 h postoperatively was significant (p < 0.0001). A significantly meaningful correlation was reported between hemoglobin changes and the degree of surgery difficulty with the size of the uterine and fibroids (p < 0.05). While a negative correlation was found regarding gravidity and surgery difficulty (r = -0.413, p = 0.02). Surgery duration was longer in Group P compared with Group L 70.66 ± 19.85 versus 66.16 ± 14.48, respectively, but with no significant difference (p = 0.32). No significant adverse reaction or serious complication was reported in the two groups. Hemodynamic parameters were kept in the normal range throughout the surgery. CONCLUSION A combination of lidocaine plus epinephrine during abdominal myomectomy appears to be a safe and effective method in reducing blood loss.
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Perioperative prophylactic internal iliac artery balloon occlusion for prevention of postpartum haemorrhage in placenta praevia: a randomised controlled trial (abridged secondary publication)
Leung TY, Cheng YKY, Sahota DS, Yu SCH
Hong Kong medical journal = Xianggang yi xue za zhi. 2022;28 Suppl 1(1):23-26
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Prophylactic use of platelet-rich plasma for post-spinal low back pain following gynecological surgery: a randomized clinical trial
Elfadl GMA, Elawamy AM, Abedalmohsen AM, Sayed Aaee, Mohammed MB, Ismail EA
Brazilian journal of anesthesiology (Elsevier). 2021
Abstract
BACKGROUND Post-spinal back pain is suggested to occur as a result of a localized inflammatory response that is often associated with some degree of muscle spasm. We aimed to evaluate the effect of platelet-rich plasma (PRP) in reducing the incidence of post-spinal back pain. METHODS One hundred patients were randomly enrolled and scheduled for elective gynecological surgery under spinal anesthesia. After the subarachnoid block, group A (placebo) received 2 mL of sodium chloride 0.9% injected into the track of spinal needle during its withdrawal (2 mm after outward withdrawal in muscles and subcutaneous tissues). While patients in group B (PRP); received 2 ml of PRP injected into the track of the spinal needle during its withdrawal. The primary outcome was the number of patients who developed post-spinal low back pain within the first week following the subarachnoid block. Secondary outcomes included the time of the first analgesic request and total meperidine consumption during the first 24 h postoperatively. RESULTS Fifteen patients in the PRP group developed low back pain during the first week following subarachnoid block compared to 26 patients in the placebo group (p = 0.037). There was a significant decrease in the mean meperidine consumption during first 24 h postoperatively in PRP group (174 ± 14 mg) compared to placebo group (210 ± 22 mg) (p < 0.0001). Also, the first analgesic request was significantly delayed in PRP group (243 ± 21 min.) compared to placebo group (185 ± 31 min.) (p < 0.0001). CONCLUSION This study demonstrated the positive effects of platelet-rich plasma on the prevention of post-spinal backache.
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Comparison of Bipolar Ball Endometrial Ablation and Transcervical Resection of the Endometrium in the Treatment of Heavy Menstrual Bleeding: A Randomized Clinical Trial
Subbaiah M, Selvest N, Maurya DK
Gynecology and minimally invasive therapy. 2021;10(3):143-147
Abstract
OBJECTIVES To compare the operative time, effectiveness, and patient satisfaction between ball endometrial ablation and transcervical resection of the endometrium (TCRE) using a bipolar resectoscope. MATERIALS AND METHODS Forty-four women with heavy menstrual bleeding who were unresponsive to at least 3 months' medical management were included in this randomized, controlled clinical trial. After randomization, patients underwent either TCRE or ball endometrial ablation using a bipolar resectoscope. The operative time, fluid deficit, and postoperative pain were recorded. The patients were evaluated postoperatively at 3, 6, and 12 months after surgery. Patient satisfaction, amenorrhea rate, reintervention rate, and pictorial blood-loss-assessment chart (PBAC) score were compared between the two groups. RESULTS The mean operative time in ball endometrial ablation group was 11.17 ± 2.24 min and in TCRE group was 22.33 ± 5.26 min (P < 0.001). There was no significant difference in the postoperative PBAC score, amenorrhea rates, patient satisfaction, and need for reintervention between the two groups. CONCLUSION Operative time with ball endometrial ablation is significantly less when compared to TCRE when using a bipolar resectoscope.
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The Effect of Vasopressin during Hysteroscopic Myomectomy in Patients with Submucosal Myoma: A Randomized Controlled Trial
Rouholamin S, Hashemi M, Haghshenas S
Advanced biomedical research. 2021;10:22
Abstract
BACKGROUND The aim was to assess the effect of vasopressin in reducing the time of surgery, amount of bleeding, and fluid deficit during hysteroscopic myomectomy of submucosal myoma from 2016 to 2018. MATERIALS AND METHODS This study was conducted as a prospective, randomized, single-blinded clinical trial on the premenopausal women ranged from 18 to 62 years' old. A number of 80 patients were randomly assigned to each arm of the study according to random consecutive numbers. The control group (n = 40) of patients underwent conventional hysteroscopic myomectomy without vasopressin and the case group (n = 40) underwent hysteroscopic myomectomy with the injection of diluted vasopressin. Measured outcomes were time for myomectomy, fluid deficit, inflow volume, visual clarity, and postoperation hemoglobin level. RESULTS The mean time of myomectomy was 38.1 and 77.38 min in vasopressin and control groups, respectively (P < 0.001). The mean inflow volume was 2800 and 4100 in vasopressin and control groups, respectively (P = 0.029). The visual clarity score was 8.5 and 6.5 in the vasopressin and control groups, respectively (P < 0.001). CONCLUSIONS The injection of vasopressin during hysteroscopic myomectomy is effective in the management of fluid deficit, time of surgery, and improvement of visual clarity.
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Comparison of intra operative hemorrhage by blunt and sharp expansion of uterine incision at cesarean section
Faiza, Sadaf F, Ameena B, Khan NR
Pakistan journal of medical sciences. 2021;37(7):1994-1998
Abstract
OBJECTIVES To compare the effect of blunt and sharp incision of uterus at cesarean section on intra-operative haemorrhage. METHODS This trial was conducted at the Department of Obstetrics and Gynaecology, Pakistan Ordinance Factory Hospital, Wah Cantt from 14(th) January to 13(th) July 2012. Total 80 women planned for lower segment cesarean section through Pfannensteil incision were randomized to either blunt uterine incision (Group-A, n=40) or sharp uterine incision (Group-B, n=40). The fall in Haemoglobin and HCT was compared in two groups and analyzed with help of SPSS version 10. RESULTS Both groups were similar in terms of demographic features like age, parity, gestational age and indication for cesarean section. The participants in Group-A reveled significantly less drop of mean Hb concentration as compared to Group-B (1.47±1.08 and 1.95±0.85 respectively, P value 0.031). Similarly, the fall in mean HCT was significantly less in Group-A in comparison to Group-B (3.21±1.3 and 4.21±2.17 respectively, P-value 0.015). CONCLUSION Blunt expansion of uterine incision during caesarean section is associated with less fall in Haemoglobin and HCT as compared to sharp expansion.
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Effectiveness of preoperative tranexamic acid in reducing blood loss during caesarean section at Aminu Kano Teaching Hospital, Kano: a randomized controlled trial
Oseni RO, Zakari M, Adamou N, Umar UA
The Pan African medical journal. 2021;39:34
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Abstract
INTRODUCTION bleeding during and after caesarean section is one of the contributors to maternal mortality and morbidity. Tranexamic acid can be given before surgery to significantly reduce the amount of blood loss during caesarean section. The objective was to evaluate the effectiveness of preoperative tranexamic acid in reducing blood loss during caesarean section at Aminu Kano Teaching Hospital, Kano. METHODS this was a randomized double blind placebo controlled study that was carried out among 244 women who were to have emergency caesarean section between December 2017 and June 2018 and were randomly assigned to the study group or control group. Women in the study group received lg (10mls) of tranexamic acid intravenously while women in the control group received 10ml of normal saline. Oxytocin was administered in the two groups according to protocol. Measurement of blood loss was done immediately after surgery. Postoperative drop in haemoglobin and haematocrit were also determined. Statistical analysis was done using SPSS Version 22. RESULTS the average intra operative blood loss was 414.0 ml in the study group and 773.8 ml in the control group (t = - 16.18, p ≤ 0.01). Average postoperative haemoglobin was 10.1 g/dl in the study group and 9.5 g/dl in the control group (t = 4.99, p ≤ 0.01). Average postoperative haematocrit was 31.5% in the study group and 29.9% in the control group (t = 4.70, p ≤ 0.01). CONCLUSION there was a significant reduction in the blood loss when preoperative tranexamic acid was given to patients who were to undergo emergency caesarean section.
PICO Summary
Population
Women having emergency caesarean section in a single centre in Nigeria (n= 244).
Intervention
Intravenous tranexamic acid (n= 122).
Comparison
Normal saline (n= 122).
Outcome
There was a significant reduction in blood loss when preoperative tranexamic acid compared to the normal saline. The average intra operative blood loss was 414.0 ml in the study group and 773.8 ml in the control group. Average postoperative haemoglobin was 10.1 g/dl in the study group and 9.5 g/dl in the control group. Average postoperative haematocrit was 31.5% in the study group and 29.9% in the control group.
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Effects of intravenous tranexamic acid on ovarian reserve and intra-operative blood loss during laparoscopic cystectomy of endometriotic cyst: a pilot randomized controlled trial
Akkaranurakkul P, Lertvikool S, Hongsakorn W, Vallibhakara O, Tantanavipas S, Paiwattananupant K, Ittichaikulthol W, Vongsakulyanon A, Vallibhakara SA, Anantaburana M, et al
Pilot and feasibility studies. 2021;7(1):171
Abstract
BACKGROUND Strategies to preserve ovarian function after ovarian endometriotic cyst removal have been reported in many studies; however, no study has evaluated tranexamic acid administration during surgery. OBJECTIVE To evaluate feasibility of conducting a definitive trial and assessing the potential efficacy of tranexamic acid on ovarian reserve and intra-operative blood loss by comparing mean differences in anti-Müllerian hormone (AMH) levels following laparoscopic ovarian cystectomy between tranexamic acid and control groups. MATERIALS AND METHODS A parallel two-arm pilot trial was conducted with 40 participants with endometriotic cysts who underwent laparoscopic ovarian cystectomy. They were randomized 1:1 to either 1 g tranexamic acid (TXA) or no TXA (n = 20 per group). TXA was administered to the participants immediately after induction of general anesthesia and intubation. The primary outcome was the feasibility of conducting a definitive trial in terms of design and procedures (such as recruitment rate, retention, safety of intravenous 1 gm of TXA, sample size verification) and assess the efficacy of TXA on the ovarian reserve and intra-operative blood loss by comparing mean difference of AMH levels between TXA and control groups at pre- and 3 months post-surgery. RESULTS The recruitment and successful completion rates were 95% and 100%. Baseline characteristics were similar in the two groups. The mean difference of serum AMH levels (pre- and 3 months post-surgery) between the TXA and control groups was not significantly different. When performing a subgroup analysis, the mean difference of AMH levels (pre- and 3 months post-surgery) seemed to be higher in the bilateral than in the unilateral ovarian cyst group but not significantly different. Operating time was significantly longer in bilateral than in unilateral cysts. No post-operative complications or adverse effects were found. CONCLUSION The full randomized controlled trial for evaluating effects of TXA administration during laparoscopic cystectomy for endometrioma on ovarian reserve was shown to be feasible. Several modifications should be added for improving feasibility, for example, increasing the TXA dose, modifying TXA administration, focusing on either patients with unilateral or bilateral ovarian cysts, and exploring other outcome measures, e.g., surgeons' satisfaction. TRIAL REGISTRATION Thai Clinical Trials Registry, TCTR20190424002 , Registered 24 April 2019.