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Traynor, Michael D.

https://orcid.org/0000-0001-6779-9273

Mayo Clinic

Mayo Clinic

Citations 15

1563: OUTCOMES OF REINTUBATED PATIENTS IN THE TRAUMA INTENSIVE CARE UNIT
Mahony, C , Heller, Stephanie F. , Ballinger, Beth A. , Park, Myung, Loomis, Erica, Bannon, Michael P., Rivera, Mariela , Traynor, Michael D.

Critical Care Medicine | December 16, 2021 | Volume: 50 | Issue: 1 | Pages: 785-785

10.1097/01.ccm.0000812576.18521.e0 Get It

Surgical Interventions During End-of-Life Hospitalizations in Children’s Hospitals
Antiel, Ryan M. , Camazine, Maraya , Blinman, Thane A. , Nance, Michael L. , Traynor, Michael D. , Camazine, Maraya N, Eghtesady, Pirooz , Lam, Sandi , Hall, Matt , Feudtner, Chris

Pediatrics | December 1, 2021 | Volume: 148 | Issue: 6 | Pages: No page available

10.1542/peds.2020-047464 Get It

OBJECTIVES To characterize patterns of surgery among pediatric patients during terminal hospitalizations in children’s hospitals. METHODS We reviewed patients ≤20 years of age who died among 4 424 886 hospitalizations from January 2013–December 2019 within 49 US children’s hospitals in the Pediatric Health Information System database. Surgical procedures, identified by International Classification of Diseases procedure codes, were classified by type and purpose. Descriptive statistics characterized procedures, and hypothesis testing determined if undergoing surgery varied by patient age, race and ethnicity, or the presence of chronic complex conditions (CCCs). RESULTS Among 33 693 terminal hospitalizations, the majority (n = 30 440, 90.3%) of children were admitted for nontraumatic causes. Of these children, 15 142 (49.7%) underwent surgery during the hospitalization, with the percentage declining over time (P < .001). When surgical procedures were classified according to likely purpose, the most common were to insert or address hardware or catheters (31%), explore or aid in diagnosis (14%), attempt to rescue patient from mortality (13%), or obtain a biopsy (13%). Specific CCC types were associated with undergoing surgery. Surgery during terminal hospitalization was less likely among Hispanic children (47.8%; P < .001), increasingly less likely as patient age increased, and more so for Black, Asian American, and Hispanic patients compared with white patients (P < .001). CONCLUSIONS Nearly half of children undergo surgery during their terminal hospitalization, and accordingly, pediatric surgical care is an important aspect of end-of-life care in hospital settings. Differences observed across race and ethnicity categories of patients may reflect different preferences for and access to nonhospital-based palliative, hospice, and end-of-life care.
Pulmonary Metastasectomy in Pediatric Patients: A Comparison of Open and Thoracoscopic Approaches
Traynor, Michael D. , Brar, Gurbir Dimple, Bruno, Fernando , Iyer, Geetha , Ishitani, Michael B., Bruno, Fernando P

Journal of Laparoendoscopic & Advanced Surgical Techniques | November 16, 2021 | Volume: 32 | Issue: 1 | Pages: 64-71

10.1089/lap.2021.0439 Get It

Background: Although the use of video-assisted thoracoscopic surgery (VATS) for resection of lung metastases has increased, surgeons still advocate for open resection as it permits palpation of lesions that may be missed on imaging. This study aimed to compare the utilization of open thoracotomy versus VATS over time and determine if the use of VATS changes perioperative outcomes. Methods: Using the Kids' Inpatient Database (2006, 2009, 2012, 2016), we identified children (age ≤20) with a diagnosis of secondary lung cancer with either lobectomy or sublobar resection coded during the same admission. Utilization was compared across years for the overall cohort and for patients with primary bone and connective tissue (PBCT) cancers. We defined prolonged length of stay (LOS) as LOS ≥75th percentile (LOS ≥7 days). Univariable and multivariable analyses compared in-hospital complication rates and LOS for open and VATS approaches. Results: Of the 1316 children (539 female) undergoing pulmonary resection, VATS was utilized in 374 (28.4%). Utilization increased rapidly from 2006 to 2009 ( P < .001 for trend), but stabilized thereafter ( P = .622). Metastatic PBCT cancers were the most common indication for resection ( n = 496, 38%), but open and VATS approaches were used nearly equally ( P = .368). Overall, 352 (26%) patients had complications. On multivariable analysis, the open approach remained independently associated with increased complications (odds ratio [OR] 1.48, 95% confidence interval [CI] [1.04–2.11]). Median LOS increased for open cases (5 versus 3 days, P < .001). Furthermore, open metastasectomy was associated with prolonged LOS (OR 1.50, [1.07–2.10]) after controlling for age, sex, primary cancer, reporting year, resection extent, obesity, complications, and nonoperative intubation. Conclusion: VATS approach to pulmonary metastasectomy resulted in fewer complications and shorter LOS in a nationwide sample of children. Despite these advantages, the use of VATS has plateaued. While this study cannot comment on oncologic safety or long-term outcomes, future studies should evaluate whether indications for VATS pulmonary metastasectomy can be expanded.
A Comparison of Single-Incision Versus Multiport Laparoscopic Splenectomy in Children
Traynor, Michael D. , Camazine, Maraya , Potter, D. Dean , Moir, Christopher R. , Klinkner, Denise B. , Ishitani, Michael B., Camazine, Maraya N

Journal of Laparoendoscopic & Advanced Surgical Techniques | December 1, 2020 | Volume: 31 | Issue: 1 | Pages: 106-109

10.1089/lap.2020.0392 Get It

Introduction of the Surgical Providers Assessment and Response to Climate Change (SPARC2) Tool
Ewbank, Clifton , Stewart, Barclay T. , Bruns, Brandon , Deckelbaum, Dan, Gupta, Shailvi , Hadley, Megan , Harris, Mark , Godfrey, Richard, Jackson, Jordan E., Leppäniemi, Ari , Malone, Debra L., Newton, Christopher, Traynor, Michael D. , Gologorsky, Rebecca C. , Groen, Reinou Sybrecht , Godfrey, Richard, Wong, Evan G. , Kushner, Adam L.

Annals of Surgery | November 21, 2020 | Volume: 273 | Issue: 4 | Pages: e135-e137

10.1097/sla.0000000000004367 Get It

Damage Control Laparotomy: High‐Volume Centers Display Similar Mortality Rates Despite Differences in Country Income Level
Traynor, Michael D. , Aho, Johnathon M. , Wise, Kevin B., Kong, Victor , Harvin, John A. , Zielinski, Martin D. , Wise, Kevin, Hernandez, Matthew C. , Clarke, Damian

World Journal of Surgery | July 31, 2020 | Volume: 44 | Issue: 12 | Pages: 3993-3998

10.1007/s00268-020-05718-5 Get It

AbstractBackgroundComprehensive analysis of trauma care between high‐, middle‐, and low‐income countries (HIC/MIC/LIC) is needed to improve global health. Comparison of HIC and MIC outcomes after damage control laparotomy (DCL) for patients is unknown. We evaluated DCL utilization among patients treated at high‐volume trauma centers in the USA and South Africa, an MIC, hypothesizing similar mortality outcomes despite differences in resources and setting.MethodsPost hoc analysis of prospectively collected trauma databases from participating centers was performed. Injury severity, physiologic, operative data and post‐operative outcomes were abstracted. Univariate and multivariable analyses were performed to assess differences between HIC/MIC for the primary outcome of mortality.ResultsThere were 967 HIC and 602 MIC patients who underwent laparotomy. DCL occurred in 144 MIC patients (25%) and 241 HIC (24%) patients. Most sustained (58%) penetrating trauma with higher rates in the MIC compared to the HIC (71 vs. 32%, p = 0.001). Between groups, no differences were found for admission physiology, coagulopathy, or markers of shock except for increased presence of hypotension among patients in the HIC. Crystalloid infusion volumes were greater among MIC patients, and MIC patients received fewer blood products than those in the HIC. Overall mortality was 30% with similar rates between groups (29 in HIC vs. 33% in MIC, p = 0.4). On regression, base excess and penetrating injury were independent predictors of mortality but not patient residential status.ConclusionUse and survival of DCL for patients with severe abdominal trauma was similar between trauma centers in HIC and MIC settings despite increased penetrating trauma and less transfusion in the MIC center. While the results overall suggest no gap in care for patients requiring DCL in this MIC, it highlights improvements that can be made in damage control resuscitation.
Comparison of the Pediatric Resuscitation and Trauma Outcome (PRESTO) Model and Pediatric Trauma Scoring Systems in a Middle‐Income Country
Traynor, Michael D. , Louis, Etienne St., Alsayed, Ahmed , Klinkner, Denise B. , Baird, Robert , Poenaru, Dan , Kong, Victor , Moir, Christopher R. , Zielinski, Martin D. , Laing, Grant , Bruce, John , Alsayed, Ahmed S, Hernandez, Matthew C. , Clarke, Damian

World Journal of Surgery | April 20, 2020 | Volume: 44 | Issue: 8 | Pages: 2518-2525

10.1007/s00268-020-05512-3 Get It

Abstract Background The pediatric resuscitation and trauma outcome (PRESTO) model was developed to aid comparisons of risk‐adjusted mortality after injury in low‐ and middle‐income countries (LMICs). We sought to validate PRESTO using data from a middle‐income country (MIC) trauma registry and compare its performance to the Pediatric Trauma Score (PTS), Revised Trauma Score, and pediatric age‐adjusted shock index (SIPA). Methods We included children (age < 15 years) admitted to a single trauma center in South Africa from December 2012 to January 2019. We excluded patients missing variables necessary for the PRESTO model—age, systolic blood pressure, pulse, oxygen saturation, neurologic status, and airway support. Trauma scores were assigned retrospectively. PRESTO's previously high‐income country (HIC)‐validated optimal threshold was compared to MIC‐validated threshold using area under the receiver operating characteristic curves (AUROC). Prediction of in‐hospital death using trauma scoring systems was compared using ROC analysis. Results Of 1160 injured children, 988 (85%) had complete data for calculation of PRESTO. Median age was 7 (IQR: 4, 11), and 67% were male. Mortality was 2% ( n = 23). Mean predicted mortality was 0.5% (range 0–25.7%, AUROC 0.93). Using the HIC‐validated threshold, PRESTO had a sensitivity of 26.1% and a specificity of 99.7%. The MIC threshold showed a sensitivity of 82.6% and specificity of 89.4%. The MIC threshold yielded superior discrimination (AUROC 0.86 [CI 0.78, 0.94]) compared to the previously established HIC threshold (0.63 [CI 0.54, 0.72], p < 0.0001). PRESTO showed superior prediction of in‐hospital death compared to PTS and SIPA (all p < 0.01). Conclusion PRESTO can be applied in MIC settings and discriminates between children at risk for in‐hospital death following trauma. Further research should clarify optimal decision thresholds for quality improvement and benchmarking in LMIC settings.
Predicting the Outcome of Non‐operative Management of Splenic Trauma in South Africa
Traynor, Michael D. , Knight, Ariel W. , Kong, Victor , Laing, Grant , Bruce, John , Bekker, W , Zielinski, Martin D. , Clarke, Damian , Hernandez, Matthew C.

World Journal of Surgery | January 13, 2020 | Volume: 44 | Issue: 5 | Pages: 1485-1491

10.1007/s00268-020-05370-z Get It

AbstractIntroductionWe aimed to expand on the global surgical discussion around splenic trauma in order to understand locally and clinically relevant factors for operative (OP) and non‐operative management (NOM) of splenic trauma in a South African setting.MethodsA retrospective cohort study was performed using 2013–2017 data from the Pietermaritzburg Metropolitan Trauma Service. All adult patients (≥15 years) were included. Those managed with OP or NOM for splenic trauma were identified and analyzed descriptively. Multiple logistic regression analysis identified patients and clinical factors associated with management type.ResultsThere were 127 patients with splenic injury. Median age was 29 [19–35] years with 42 (33%) women and 85 (67%) men. Blunt injuries occurred in the majority (81, 64%). Organ Injury Scale (OIS) grades included I (25, 20%), II (43, 34%), III (36, 28%), IV (15, 11%), and V (8, 6%). Nine patients expired. On univariate analysis, increasing OIS was associated with OP management, need for intensive care unit (ICU) admission, and hospital and ICU duration of stay, but not mortality. In patients with a delayed compared to early presentation, ICU utilization (62% vs. 36%, p = 0.008) and mortality (14% vs. 4%, p = 0.03) were increased. After adjusting for age, sex, presence of shock, and splenic OIS, penetrating trauma (adjusted odds ratio, 5.7; 95%CI, 1.7–9.8) and admission lactate concentration (adjusted odds ratio, 1.4; 95%CI 1.1–1.9) were significantly associated with OP compared to NOM (p = 0.002; area under the curve 0.81).ConclusionsWe have identified injury mechanism and admission lactate as factors predictive of OP in South African patients with splenic trauma. Timely presentation to definitive care affects both ICU duration of stay and mortality outcomes. Future global surgical efforts may focus on expanding non‐operative management protocols and improving pre‐hospital care in patients with splenic trauma.