Performance characteristics of a local triage tool and internationally validated tools among under-fives presenting to an urban emergency department in Tanzania.

BACKGROUND: A number of region-specific validated triage systems exist; however very little is known about their performance in resource limited settings. We compare the local triage tool and internationally validated tools among under-fives presenting to an urban emergency department in Tanzania. METHODOLOGY: Prospective descriptive study of consecutive under-fives seen at Muhimbili National Hospital (MNH), ED between November 2017 to April 2018. Patients were triaged according to Local Triage System (LTS), and the information collected were used to assign acuities in the other triage scales: Canadian Triage and Acuity Scale (CTAS), Australasian Triage Scale (ATS), Manchester Triage Scale (MTS) and South African Triage Scale (SATS). Patients were then followed up to determine disposition and 24 h outcome. Sensitivity, specificity, positive and negative predictive values for admission and mortality were then calculated. RESULTS: A total of 384 paediatric patients were enrolled, their median age was 17 months (IQR 7-36 months). Using LTS, 67(17.4%) patients were triaged in level one, 291(75.8%) level 2 and 26 (6.8%) in level 3 categories. Overall admission rate was 59.6% and at 24 h there were five deaths (1.3%). Using Level 1 in LTS, and Levels 1 and 2 in other systems, sensitivity and specificity for admission for all triage scales ranged between 27.1-28.4% and 95.4-98% respectively, (PPV 90.3-95.3%, NPV 47.1-47.4%). Sensitivity for mortality was 80% for LTS, and 100% for the other scales, while specificity was low, yielding a PPV for all scales between 6.9 and 8%. CONCLUSION: All triage scales showed poor ability to predict need for admission, however all triage scales except LTS predicted mortality. The test characteristics for the other scales were similar. Future studies should focus on determining the reliability and validity of each of these triage tools in our setting.

Pre-referral stabilization and compliance with WHO guidelines for trauma care among adult patients referred to an urban emergency department of a tertiary referral hospital in Tanzania.

BACKGROUND: The outcomes of trauma are considered to be time dependent. Efficient and timely pre-referral stabilization of trauma patients has been shown to impact survival. Tanzania has no formal pre-hospital or trauma system. World Health Organisation has provided a set of standards for initial stabilization of trauma patients according to the level of the hospitals. We aimed to describe pre-referral stabilization provided to adult trauma patient referred to the national referral hospital and compliance with World Health Organisation guidelines. METHODS: This prospective observational cross-sectional study was conducted at the Emergency Medicine Department of Muhimbili National Hospital (EMD-MNH), between July 2017 and December 2017. Eligible patients were adults with head injury and extremity injury ≥18 years who were referred from a peripheral hospital and had a referral note. Research assistant enrolled patients using structured case report form clinical information, and initial stabilization received at the referring hospital. Primary outcome was the proportion of patients who had initial stabilization performed according to World Health Organisation recommendation. RESULTS: We enrolled 368 (29% of eligible patients), the median age was 34 years (Interquartile range 26-44 years), and 281 (76%) were male. Overall 69% of referred patients arrived at the EMD more than 24 h after injury. Of those enrolled, 50 (13.6%) patients had received at least one stabilization intervention prior to transfer to MNH. Among 206 patients with extremity injuries, splinting was inadequate or missing in all cases; No patients with head injury received cervical spine protection. Among patients referred from a health center, 26.9% received an initial stabilization, while stabilization procedures were administered to 13.2% of those from district hospitals, and 10% of those from regional hospitals. CONCLUSIONS: In this urban public emergency department in Tanzania, majority of trauma patients were referred from lower health facilities after 24-h of injury. Most did not receive initial trauma stabilization as recommended by the World Health Organisation guidelines. Future studies should identify barriers to pre-referral stabilization of adult trauma patients.