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Reproductive Biology and Endocrinology... Aug 2023This study aimed to clarify the effect of antioxidant vitamins supplementation on endometriosis-related pain. (Meta-Analysis)
Meta-Analysis Review
OBJECTIVE
This study aimed to clarify the effect of antioxidant vitamins supplementation on endometriosis-related pain.
METHODS
A systematic search of PubMed, Web of Science, Cochrane Library, Scopus, and China National Knowledge Infrastructure (CNK) databases was conducted to identify relevant studies published in English and Chinese up to 16 March 2023. The search terms used were "endometriosis" OR "endometrioma" OR "endometrium" AND "antioxidant" OR "Vitamin C" OR "Vitamin E" OR "Vitamin D" OR "25-OHD" OR "25(OH)D" OR "25-hydroxyvitamin D". Eligible studies were randomized controlled trials (RCTs) that assessed pain scores using the Visual Analogue Scale (VAS). Mean differences or odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to evaluate the effect of antioxidant vitamins supplementation on endometriosis. The quality of the included studies was assessed using the Cochrane Risk of Bias Tool. The study was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines.
RESULTS
A total of 13 RCTs involving 589 patients were included in this meta-analysis. We identified 11 studies that evaluated the effect of antioxidant vitamins supplementation on endometriosis-related pain. The results indicated that the supplementation of antioxidant vitamins can effectively alleviate endometriosis-related pain. Subgroup analysis showed that the supplementation of vitamin E (with or without vitamin C) had a positive effect on improving clinical pelvic pain in patients with chronic pelvic pain. Conversely, supplementation of vitamin D was associated with a reduction in pelvic pain in endometriosis patients, but the difference was not statistically significant compared to the placebo. Additionally, we observed changes in oxidative stress markers following vitamin supplementation. Plasma malondialdehyde (MDA) concentration decreased in patients with endometriosis after antioxidant vitamin supplementation, and the plasma MDA level was inversely correlated with the time and dose of vitamin E and C supplementation. Furthermore, the inflammatory markers in peritoneal fluid, including RANTES, interleukin-6, and monocyte chemoattractant protein-1, significantly decreased after antioxidant therapy. These findings suggest that antioxidant vitamins may alleviate pain in endometriosis patients by reducing inflammation.
CONCLUSIONS
The included studies support the potential role of antioxidant vitamins in the management of endometriosis. Supplementation with antioxidant vitamins effectively reduced the severity of dysmenorrhea, improved dyspareunia and pelvic pain, and enhanced quality of life in these patients. Therefore, antioxidant vitamin therapy could be considered as an alternative treatment method, either alone or in combination with other approaches, for endometriosis-related pain.
TRIAL REGISTRATION
PROSPERO registration number: CRD42023415198.
Topics: Female; Humans; Antioxidants; Pelvic Pain; Vitamins; Endometriosis; Vitamin A; Ascorbic Acid; Vitamin K; Dietary Supplements
PubMed: 37644533
DOI: 10.1186/s12958-023-01126-1 -
BMC Musculoskeletal Disorders Aug 2023Tranexamic acid (TXA) has been widely used in orthopedic surgery, but its efficacy in adolescent scoliosis (AS) surgery remains unclear in the literature. The purpose of... (Meta-Analysis)
Meta-Analysis
BACKGROUND
Tranexamic acid (TXA) has been widely used in orthopedic surgery, but its efficacy in adolescent scoliosis (AS) surgery remains unclear in the literature. The purpose of this systematic review and meta-analysis is to evaluate the safety and efficacy of TXA compared to placebo treatment during or after AS surgery, by gathering data from randomized both controlled trials (RCTs) and non-RCTs.
METHODS
English and Chinese electronic databases including PubMed, Web of Science, Embase, Cochrane, CNKI, and Wan Fang database were searched to identify the relevant literature up until August 2022. The primary outcomes were intraoperative blood loss and total blood loss. The secondary outcomes included the need for transfusion, postoperative hemoglobin (Hb) level, and change in Hb level. Stata 17 was used for data analysis and the risk of bias was assessed. We followed the PRISMA checklist to ensure the quality of this article.
RESULTS
Twelve studies (795 participants) were included in the meta-analysis for intraoperative blood loss during surgery. The results suggest that TXA can reduce the intraoperative blood loss of the patients (MD = -306.40ml, 95%CI = -404.04ml to -208.77ml, p < 0.001). Six studies (2027 patients) were included in the meta-analysis for total blood loss. The pooled result shows that the total blood loss of the TXA group was significantly lower than that of the control group (MD = -779.24ml, 95% CI = -1157.10ml to -410.39ml, p < 0.001). Five studies (419 patients) were included in the meta-analysis for postoperative Hb level and shows a non-significant outcome (MD = 5.09 g/l, 95%CI = 2.92 g/l to 7.25 g/l, p = 0.611). Three studies (268 patients) were included in the meta-analysis for the postoperative Hb level. There is a non-significant decrease in the TXA group (MD = -0.23 g/l, 95%CI = -0.48 g/l to 0.01 g/l, p = 0.319). Eight studies (670 patients) reported data on the need for transfusion after surgery. The overall relative risks (RR) showed a significant difference between the TXA and control group, with a lower risk of transfusion in the TXA group (RR = 0.547, 95%CI = 0.308 to 0.972, p = 0.04).
CONCLUSIONS
The meta-analysis of the data reveals that TXA usage is associated with a significant reduction in intraoperative and total blood loss, a lower risk of transfusion, and a non-significant change in postoperative Hb levels in AS surgery However, it should be noted that the surgical operation situations varied across different studies. Therefore, further research is required to investigate the effects of TXA on specific subgroups of gender, operation time, and blood transfusion indicators. Overall, our study provides valuable evidence for the clinical management of AS surgery and may inform the development of practice guidelines and protocols for the use of TXA in this setting.
Topics: Adolescent; Humans; Blood Loss, Surgical; Tranexamic Acid; Scoliosis; Exsanguination; Orthopedic Procedures
PubMed: 37644447
DOI: 10.1186/s12891-023-06811-1 -
Journal of Orthopaedic Surgery and... Aug 2023With the increasing prevalence of osteoarthritis of the hip and knee, total joint replacement, the end-stage treatment, provides pain relief and restoration of function,... (Meta-Analysis)
Meta-Analysis Review
OBJECTIVE
With the increasing prevalence of osteoarthritis of the hip and knee, total joint replacement, the end-stage treatment, provides pain relief and restoration of function, but is often associated with massive blood loss. Tranexamic acid (TXA) has been reported to reduce perioperative blood loss in hip or knee arthroplasty. However, the optimal dose of TXA administration remains controversial. Therefore, we performed a meta-analysis combining data from 5 trials comparing the efficacy and safety of one fixed dose of 1 g intravenously administered TXA with two doses of 1 g each administered intravenously for hip or knee arthroplasty.
METHODS
PubMed, Medline, Embase, Web of Science, and The Cochrane Library were searched from January 2000 to February 2023. Our meta-analysis included randomized controlled trials and cohort studies comparing the efficacy and safety of different doses of intravenous TXA (IV-TXA) for THA or TKA. The observation endpoints included total blood loss, postoperative hemoglobin drop, blood transfusion rate, length of hospital stay, incidence of deep venous thrombosis (DVT), and incidence of pulmonary embolism (PE). Meta-analysis was performed according to Cochrane's guidelines and PRISMA statement. The Danish RevMan5.3 software was used for data merging.
RESULTS
Five cohort studies involving 5542 patients met the inclusion criteria. Our meta-analysis showed that the two groups were significantly higher in total blood loss (mean difference (MD) = - 65.60, 95% confidence interval (CI) [- 131.46, 0.26], P = 0.05); blood transfusion rate (risk difference (RD) = 0.00, 95% CI [- 0.01, 0.02], P = 0.55); postoperative hemoglobin (MD = 0.02, 95% CI [- 0.09, 0.13], P = 0.31); postoperative hospital stay days (MD = - 0.13), 95% CI [- 0.35, 0.09], P = 0.25); DVT (RD = 0.00, 95% CI [- 0.00, 0.01], P = 0.67); PE (RD = 0.00, 95% CI [- 0.01, 0.00], P = 0.79). There was some inherent heterogeneity due to variance in sample size across each major study.
CONCLUSION
1 dose of 1 g and 2 doses of 1 g IV-TXA each time have similar effects on reducing blood loss, blood transfusion rate, postoperative hemoglobin level, and postoperative hospital stay after TKA or THA, without increasing the risk of postoperative complications risk. For patients at high risk of thromboembolic events, one dose of 1 g TXA throughout surgery may be preferred. However, higher-quality RCT is needed to explore the optimal protocol dose to recommend the widespread use of TXA in total joint arthroplasty. Trial registration We conducted literature selection, eligibility criteria evaluation, data extraction and analysis on the research program registered in Prospero (CRD42023405387) on March 16, 2023.
Topics: Humans; Tranexamic Acid; Antifibrinolytic Agents; Arthroplasty, Replacement, Knee; Venous Thrombosis; Blood Loss, Surgical; Arthroplasty, Replacement, Hip; Administration, Intravenous; Pulmonary Embolism; Hemoglobins
PubMed: 37563702
DOI: 10.1186/s13018-023-03929-9 -
BMC Musculoskeletal Disorders Jul 2023Meta-analyses on the use of tranexamic acid (TXA) in intertrochanteric fractures have shown inconsistent results due to variations in inclusion criteria and clinical... (Meta-Analysis)
Meta-Analysis
BACKGROUND
Meta-analyses on the use of tranexamic acid (TXA) in intertrochanteric fractures have shown inconsistent results due to variations in inclusion criteria and clinical heterogeneity. To address these limitations, we conducted a rigorous analysis of recent randomized controlled trials (RCTs) with strict inclusion criteria. The aim of this study was to objectively evaluate the effects and safety of intravenous TXA administration in the treatment of geriatric intertrochanteric femoral fractures with intramedullary nailing.
METHODS
PubMed, Embase, and the Cochrane Library were searched for RCTs published from the database inception to August 2022. The date of total blood loss (TBL), intra-operative blood loss (IBL), hidden blood loss (HBL), transfusion rate, transfusion units, thromboembolic events, and mortality were extracted. Review Manager 5.3 was used for the analysis.
RESULTS
A total of six RCTs involving 689 patients were included. Meta-analyses indicated that TXA can significantly reduce TBL (WMD = -232.82; 95% CI -312.81 to -152.84; p < 0.00001), IBL (WMD = -36.33; 95% CI -51.38 to -21.28; p < 0.00001), HBL (WMD = -189.23; 95% CI -274.92 to -103.54; p < 0.0001), transfusion rate (RR = 0.53; 95% CI 0.33 to 0.85; p = 0.008), and transfusion units (WMD = -0.58; 95% CI -0.75 to -0.41; p < 0.01). No increase in thromboembolic events rate (RR = 0.75; 95% CI 0.38 to 1.50; p = 0.42) and mortality (RR = 1.36; 95% CI 0.61 to 3.04; p = 0.45) was observed.
CONCLUSIONS
Our meta-analysis provides robust evidence supporting the efficacy and safety of intravenous TXA administration in treating geriatric intertrochanteric femoral fractures with intramedullary nailing. TXA significantly reduces blood loss and transfusion requirements without increasing the risk of thromboembolic events or mortality.
Topics: Humans; Aged; Tranexamic Acid; Antifibrinolytic Agents; Fracture Fixation, Intramedullary; Hip Fractures; Blood Loss, Surgical; Thromboembolism; Administration, Intravenous
PubMed: 37501145
DOI: 10.1186/s12891-023-06725-y -
Journal of Shoulder and Elbow Surgery Nov 2023Although tranexamic acid (TXA) is being increasingly used in orthopedic arthroplasty and lower-extremity arthroscopic procedures, its use in arthroscopic rotator cuff... (Meta-Analysis)
Meta-Analysis Review
PURPOSE
Although tranexamic acid (TXA) is being increasingly used in orthopedic arthroplasty and lower-extremity arthroscopic procedures, its use in arthroscopic rotator cuff repair (ARCR) is less widely reported. The aim of this study was to evaluate the clinical effectiveness and safety of TXA administration in ARCR.
METHODS
A systematic review and meta-analysis of randomized controlled trials was performed to compare clinical outcomes in patients who underwent ARCR with or without TXA. Literature was retrieved using the Cochrane Library, MEDLINE, PubMed, and Embase electronic databases. The primary outcome of this study was visual clarity. Secondary outcomes contained total operative time, postoperative pain score, amount of blood loss, shoulder swelling (change in shoulder circumference), volume of irrigation fluid, number of adjustments of the pump pressure for irrigation, and adverse cardiovascular events.
RESULTS
Seven studies (3 and 4 with level I and II evidence, respectively), which included 272 and 265 patients who underwent arthroscopy with and without TXA, respectively, met the eligibility criteria. Pooled analysis showed significant improvements in visual clarity (mean difference, 9.10%; 95% CI, 4.05-14.15; P = .0004) and total operative time (mean difference, -11.24 minute; 95% CI, -19.90 to -2.57) associated with perioperative TXA application. None of the trials reported adverse events and complications associated with TXA.
CONCLUSION
The best available evidence indicates that TXA administration could significantly improve arthroscopic visual clarity and effectively save operative time in ARCR without increasing the incidence of adverse events. Furthermore, the optimal dose, route, and timing of TXA application in ARCR surgery remains to be validated by future high-level evidence studies.
Topics: Humans; Tranexamic Acid; Rotator Cuff; Arthroscopy; Shoulder; Rotator Cuff Injuries; Arthroplasty; Treatment Outcome
PubMed: 37468032
DOI: 10.1016/j.jse.2023.06.013 -
Journal of Orthopaedic Surgery and... Jul 2023Calcaneal fractures are a common orthopedic disease, account for approximately 2% of all bone fractures, and represent 60% of fractures of tarsal bones. Tranexamic acid... (Meta-Analysis)
Meta-Analysis
BACKGROUND
Calcaneal fractures are a common orthopedic disease, account for approximately 2% of all bone fractures, and represent 60% of fractures of tarsal bones. Tranexamic acid (TXA) is a synthetic antifibrinolytic drug that competitively blocks the lysine-binding sites of plasminogen, plasmin, and tissue plasminogen activator, delaying fibrinolysis and blood clot degradation. However, the effect of TXA on patients with calcaneal surgery remains controversial. Our objective was to evaluate the effectiveness of TXA in calcaneal fractures surgeries.
METHODS
The electronic literature databases of Pubmed, Embase, and Cochrane library were searched in December 2022. The data on blood loss, the stay in the hospital, the duration of surgery, hemoglobin, hematocrit, platelet count, prothrombin time, activated partial thromboplastin time, and wound complication were extracted. The Stata 22.0 software was used for the meta-analysis.
RESULTS
Four randomized controlled studies met our inclusion criteria. This meta-analysis showed that TXA significantly reduced postoperative blood loss during the first 24 h (p < 0.001), improved the level of hemoglobin (p < 0.001) and hematocrit (p = 0.03), and reduced the risk of wound complications (p = 0.04). There was no significant difference between the two groups regarding total and intraoperative blood loss, hospital stay, duration of surgery, platelet count, activated partial thromboplastin time, and prothrombin time.
CONCLUSION
TXA significantly reduced blood loss during the first 24 h postoperatively, improved the level of hemoglobin and hematocrit, and reduced the risk of wound complications. Given the evidence, TXA can be used in patients with calcaneal fractures and had the potential benefit of blood reduction.
PROTOCOL REGISTRATION
The protocol was registered in PROSPERO (registration No. CRD42023391211).
Topics: Humans; Tranexamic Acid; Tissue Plasminogen Activator; Randomized Controlled Trials as Topic; Calcaneus; Tarsal Bones; Ankle Injuries
PubMed: 37438798
DOI: 10.1186/s13018-023-03924-0 -
Arthroscopy : the Journal of... Feb 2024To further clarify the role of tranexamic acid (TXA) in arthroscopic rotator cuff repair (ARCR), especially visual field clarity and operation time. (Meta-Analysis)
Meta-Analysis Review
Intravenous Tranexamic Acid Significantly Improved Visualization and Shortened the Operation Time in Arthroscopic Rotator Cuff Repair: A Systematic Review and Meta-analysis of Level I and II Studies.
PURPOSE
To further clarify the role of tranexamic acid (TXA) in arthroscopic rotator cuff repair (ARCR), especially visual field clarity and operation time.
METHODS
We searched the PubMed, Cochrane Library, and Embase databases to find prospective randomized controlled clinical trials (RCTs) examining the use of TXA in ARCR. All included RCTs were evaluated for methodological quality using the Cochrane Collaboration's risk of bias tool. We used Review Manager 5.3 for meta-analysis and calculated the weighted mean difference (WMD) and 95% confidence interval (CI) of the related outcome indicators. The GRADE system was used to evaluate the strength of the clinical evidence provided by the included studies.
RESULTS
Six RCTs (3 Level I, 3 Level II) from four countries or regions were included in this study: 2 studies used intra-articular (IA) TXA, and 4 studies used intravenous TXA. A total of 451 patients underwent ARCR, including 227 patients in the TXA group and 224 patients in the non-TXA group. In 2 RCTs evaluating good visualization, intravenous TXA achieved a better surgical field of view in ARCR compared to the control group (P =.036; P = .045). Meta-analysis showed that compared with non-TXA, intravenous TXA shortened the operation time (WMD = -12.87 min, 95% CI: -18.81 to -6.93). These two RCTs did not reveal a statistically significant difference in the impact of intravenous TXA and non-TXA on mean arterial pressure (MAP) (P = .306; P = .549). Compared with epinephrine (EPN), IA TXA had no significant effects on improving the visual field clarity under arthroscopy, shortening the operation time or reducing the total amount of irrigation fluid (P > .05). Compared with saline irrigation, IA TXA improved the surgical field of vision and shortened the operation time (P < .001). No adverse events were reported for either intravenous TXA or IA TXA.
CONCLUSIONS
Intravenous TXA can shorten the operation time of ARCR, and the conclusions of existing RCTs suggest that intravenous TXA can improve visual field clarity during ARCR, thus supporting the application of intravenous TXA in ARCR. Compared with EPN, IA TXA was not better at improving the visual field clarity under arthroscopy and shortening the operation time, but it was better than saline irrigation.
LEVEL OF EVIDENCE
Level II, systematic review and meta-analysis of Level I and II studies.
Topics: Humans; Tranexamic Acid; Antifibrinolytic Agents; Arthroscopy; Rotator Cuff; Arthroplasty; Epinephrine; Blood Loss, Surgical
PubMed: 37423470
DOI: 10.1016/j.arthro.2023.06.055 -
Journal of Thrombosis and Thrombolysis Oct 2023Oral anticoagulation significantly reduces the incidence of dementia in atrial fibrillation patients. However, this protective effect has not been compared between... (Meta-Analysis)
Meta-Analysis Review
Oral anticoagulation significantly reduces the incidence of dementia in atrial fibrillation patients. However, this protective effect has not been compared between Direct Oral Anticoagulants (DOAC) and Vitamin K antagonists' anticoagulants (VKA). We conducted an electronic search for potentially eligible studies through the bibliographic databases MEDLINE, CENTRAL, ClinicalTrials.gov, EMBASE and Web of Science. The outcome of interest was dementia. Random-effects meta-analysis was performed. Nine observational studies were included and 1,175,609 atrial fibrillation patients were enrolled. DOAC therapy was associated with a significant reduction when compared with patients under VKA therapy (hazard ratio 0.89; 95% confidence interval 0.80-0.99). The grade of confidence of our results was very low due to the risk of bias. DOAC therapy is associated with a significant decrease in the risk of dementia when compared with VKA therapy. However, the low certainty of the evidence along with the paucityof clinical trials dedicated to answering this important question underscores a need for global clinical research initiatives.
Topics: Humans; Atrial Fibrillation; Anticoagulants; Fibrinolytic Agents; Vitamin K; Dementia; Administration, Oral; Stroke
PubMed: 37405677
DOI: 10.1007/s11239-023-02843-5 -
Clinical Cardiology Aug 2023Atrial fibrillation (AF) patients are more susceptible to dementia, but the results about the effect of oral anticoagulants (OACs) on the risk of dementia are not... (Meta-Analysis)
Meta-Analysis Review
Atrial fibrillation (AF) patients are more susceptible to dementia, but the results about the effect of oral anticoagulants (OACs) on the risk of dementia are not consistent. We hypothesize that OAC is associated with a reduced risk of dementia with AF and that nonvitamin K antagonist oral anticoagulants (NOAC) are superior to vitamin K antagonists (VKA). Four databases were systematically searched until July 1, 2022. Two reviewers independently selected literature, evaluated quality, and extracted data. Data were examined using pooled hazard ratios (HRs) and 95% confidence intervals (CIs). Fourteen research studies involving 910 patients were enrolled. The findings indicated that OACs were associated with a decreased risk of dementia (pooled HR: 0.68, 95% CI: 0.55-0.82, I = 87.7%), and NOACs had a stronger effect than VKAs (pooled HR: 0.87, 95% CI: 0.79-0.95, I = 72%), especially in participants with a CHA2DS2VASc score ≥ 2 (pooled HR: 0.85, 95% CI: 0.72-0.99). Subgroup analysis demonstrated no statistical significance among patients aged <65 years old (pooled HR: 0.83, 95% CI: 0.64-1.07), patients in "based on treatment" studies (pooled HR: 0.89, 95% CI: 0.75-1.06), or people with no stroke background (pooled HR: 0.90, 95% CI: 0.71-1.15). This analysis revealed that OACs were related to the reduction of dementia incidence in AF individuals, and NOACs were better than VKAs, remarkably in people with a CHA2DS2VASc score ≥ 2. The results should be confirmed by further prospective studies, particularly in patients in "based on treatment" studies aged <65 years old with a CHA2DS2VASc score < 2 or without a stroke background.
Topics: Humans; Aged; Anticoagulants; Atrial Fibrillation; Incidence; Administration, Oral; Prospective Studies; Stroke; Dementia; Vitamin K
PubMed: 37366141
DOI: 10.1002/clc.24076 -
American Journal of Obstetrics &... Aug 2023Tranexamic acid is a cost-effective intervention for the prevention of postpartum hemorrhage among women who undergo cesarean delivery, but the evidence to support its... (Meta-Analysis)
Meta-Analysis Review
OBJECTIVE
Tranexamic acid is a cost-effective intervention for the prevention of postpartum hemorrhage among women who undergo cesarean delivery, but the evidence to support its use is conflicting. We conducted this meta-analysis to evaluate the efficacy and safety of tranexamic acid in low- and high-risk cesarean deliveries.
DATA SOURCES
We searched MEDLINE (via PubMed), Embase, the Cochrane Library, ClinicalTrials.gov, and the World Health Organization International Clinical Trials Registry Platform portal from inception to April 2022 (updated October 2022 and February 2023) with no language restrictions. In addition, grey literature sources were also explored.
STUDY ELIGIBILITY CRITERIA
All randomized controlled trials that investigated the prophylactic use of intravenous tranexamic acid in addition to standard uterotonic agents among women who underwent cesarean deliveries in comparison with a placebo, standard treatment, or prostaglandins were included in this meta-analysis.
METHODS
We used the revised Cochrane Risk of Bias tool (RoB 2.0) to assess the quality of the included randomized controlled trials. RevMan 5.4 was used to conduct all statistical analyses using a random-effects model.
RESULTS
We included 50 randomized controlled trials (6 in only high-risk patients and 2 with prostaglandins as the comparator) that evaluated tranexamic acid in our meta-analysis. Tranexamic acid reduced the risk for blood loss >1000 mL, the mean total blood loss, and the need for blood transfusion in both low- and high-risk patients. Tranexamic acid was associated with a beneficial effect in the secondary outcomes, including a decline in hemoglobin levels and the need for additional uterotonic agents. Tranexamic acid increased the risk for nonthromboembolic adverse events but, based on limited data, did not increase the incidence of thromboembolic events. The administration of tranexamic acid before skin incision, but not after cord clamping, was associated with a large benefit. The quality of evidence was rated as low to very low for outcomes in the low-risk population and moderate for most outcomes in the high-risk subgroup.
CONCLUSION
Tranexamic acid may reduce the risk for blood loss in cesarean deliveries with a higher benefit observed in high-risk patients, but the lack of high-quality evidence precludes any strong conclusions. The administration of tranexamic acid before skin incision, but not after cord clamping, was associated with a large benefit. Additional studies, especially in the high-risk population and focused on evaluating the timing of tranexamic acid administration, are needed to confirm or refute these findings.
Topics: Humans; Female; Pregnancy; Tranexamic Acid; Blood Loss, Surgical; Cesarean Section; Randomized Controlled Trials as Topic; Postpartum Hemorrhage; Antifibrinolytic Agents; Prostaglandins
PubMed: 37311484
DOI: 10.1016/j.ajogmf.2023.101049