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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.Item Posterior Interhemispheric Transfalcine Transprecuneus Approach for Microsurgical Resection of Peri-Atrial Lesions: Indications, Technique, and Outcomes(2015-10) Bohnstedt, Bradley N.; Kulwin, Charles; Shah, Mitesh; Cohen-Gadol, Aaron A.; Department of Neurological Surgery, IU School of MedicineOBJECT Surgical exposure of the peritrigonal or periatrial region has been challenging due to the depth of the region and overlying important functional cortices and white matter tracts. The authors demonstrate the operative feasibility of a contralateral posterior interhemispheric transfalcine transprecuneus approach (PITTA) to this region and present a series of patients treated via this operative route. METHODS Fourteen consecutive patients underwent the PITTA and were included in this study. Pre- and postoperative clinical and radiological data points were retrospectively collected. Complications and extent of resection were reviewed. RESULTS The mean age of patients at the time of surgery was 39 years (range 11–64 years). Six of the 14 patients were female. The mean duration of follow-up was 4.6 months (range 0.5–19.6 months). Pathology included 6 arteriovenous malformations, 4 gliomas, 2 meningiomas, 1 metastatic lesion, and 1 gray matter heterotopia. Based on the results shown on postoperative MRI, 1 lesion (7%) was intentionally subtotally resected, but ≥ 95% resection was achieved in all others (93%) and gross-total resection was accomplished in 7 (54%) of 13. One patient (7%) experienced a temporary approach-related complication. At last follow-up, 1 patient (7%) had died due to complications of his underlying malignancy unrelated to his cranial surgery, 2 (14%) demonstrated a Glasgow Outcome Scale (GOS) score of 4, and 11 (79%) manifested a GOS score of 5. CONCLUSIONS Based on this patient series, the contralateral PITTA potentially offers numerous advantages, including a wider, safer operative corridor, minimal need for ipsilateral brain manipulation, and better intraoperative navigation and working angles.