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Item Blood use in sub‐Saharan Africa: a systematic review of current data(Wiley, 2019-07) Dhabangi, Aggrey; Dzik, Walter H.; Idro, Richard; John, Chandy C.; Butler, Elissa K.; Spijker, Rene; van Hensbroek, Michael B.; Pediatrics, School of MedicineBackground: Data on the use of blood products in sub-Saharan Africa (SSA) are scarce. A systematic review of published data on blood utilization according to diagnosis in SSA was performed. Study design and methods: Studies published from January 2000 to June 2018 were searched in PubMed, Embase and African Index Medicus. Data were extracted and synthesized. The proportion of blood products used for different diagnostic categories is presented. Results: 37 studies representing 159,746 transfusions to 96,690 patients from 14 countries in SSA were included. Data from six of 37 studies were pooled to determine blood product use according to diagnosis. The primary diagnostic categories were pediatric malaria (20%), sickle cell anemia [SCA] (18%), obstetric hemorrhage (16%), and other causes of bleeding (16%). About 8%, 6% and 2% of products were used for other infections, cancer treatment, and surgery respectively. Overall, 58.5% of the products transfused were red blood cells, 31.7 % whole blood, 7.2% fresh frozen plasma, and 2.6% as platelets. Estimated blood product use per population in SSA was 5.3 transfusions per 1000 people, compared with 52 and 34 per thousand for Australia and United States respectively. Conclusion: This study provides a systematic attempt to quantify blood utilization for SSA. Blood products in SSA are used primarily for pediatric malaria, SCA, obstetric hemorrhage and other causes of bleeding. Studies such as this represent an important early step towards improving hemovigilance in SSA.Item Early Treatment of Acetabular Fractures via an Anterior Approach Increases Blood Loss but not Packed Red Blood Cell Transfusion(Wolters Kluwer, 2024-01) Mullis, Brian H.; Chang, Joshua H.; Shah, Nihar; Sabbagh , Ramsey S.; Yu, Qing; Archdeacon, Michael T.; Sagi, H. Claude; Natoli, Roman M.; Orthopaedic Surgery, School of MedicineOBJECTIVE: The objective of this study was to determine whether time from hospital admission to surgery for acetabular fractures using an anterior intrapelvic (AIP) approach affected blood loss. METHODS: Design: Retrospective review. Setting: Three level 1 trauma centers at 2 academic institutions. Patient Selection Criteria: Adult (18 years or older) patients with no pre-existing coagulopathy treated for an acetabular fracture via an AIP approach. Excluded were those with other significant same day procedures (irrigation and debridement and external fixation were the only other allowed procedures). Outcome Measures and Comparisons: Multiple methods for evaluating blood loss were investigated, including estimated blood loss (EBL), calculated blood loss (CBL) by Gross and Hgb balance methods, and packed red blood cell (PRBC) transfusion requirement. Outcomes were evaluated based on time to surgery. RESULTS: 195 patients were studied. On continuous linear analysis, increasing time from admission to surgery was significantly associated with decreasing CBL at 24 hours (−1.45 mL per hour by Gross method, P = 0.003; −0.440 g of Hgb per hour by Hgb balance method, P = 0.003) and 3 days (−1.69 mL per hour by Gross method, P = 0.013; −0.497 g of Hgb per hour by Hgb balance method, P = 0.010) postoperative, but not EBL or PRBC transfusion. Using 48 hours from admission to surgery to define early versus delayed surgery, CBL was significantly greater in the early group compared to the delayed group (453 [IQR 277–733] mL early versus 364 [IQR 160–661] delayed by Gross method, P = 0.017; 165 [IQR 99–249] g of Hgb early versus 143 [IQR 55–238] g Hgb delayed by Hgb balance method, P = 0.035), but not EBL or PRBC transfusion. In addition, in multivariate linear regression, neither giving tranexamic acid nor administering prophylactic anticoagulation for venous thromboembolism on the morning of surgery affected blood loss at 24 hours or 3 days postoperative (P > 0.05). CONCLUSION: There was higher blood loss with early surgery using an AIP approach, but early surgery did not affect PRBC transfusion and may not be clinically relevant. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.