Evidence map›Paper›PMID 42494335›Full record

Observational studyBioMed research international2026

Clinicopathological Features, Management, and Outcomes of Zebra Spitting Cobra (Naja nigricincta nigricincta) and Puff Adder (Bitis arietans) Snakebites in Namibia.

Katrina Ndongi, Emmanuel Nepolo, Christian J Hunter

Abstract readObservational Study
In one paragraph

Observational study in BioMed research international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Observational
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Katrina NdongiDepartment of Human Biological and Translational Medical Sciences, University of Namibia, Windhoek, Namibia, unam.edu.na.ORCID https://orcid.org/0009-0004-8892-3340
Emmanuel NepoloDepartment of Human Biological and Translational Medical Sciences, University of Namibia, Windhoek, Namibia, unam.edu.na.ORCID https://orcid.org/0000-0003-4302-5606
Christian J HunterClinical Care, Education and Research, Centre of Global Health Practice and Impact, Georgetown University, Washington, DC, USA, georgetown.edu.ORCID https://orcid.org/0000-0003-4744-463X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Snakebite envenomation remains an important public health concern in Namibia, particularly following bites from the zebra spitting cobra (Naja nigricincta nigricincta) and the puff adder (Bitis arietans). However, the clinical presentations and management outcomes of these snakebites remain poorly characterized. This prospective, observational, descriptive study investigated the clinicopathological features, wound progression, management, and functional outcomes of snakebite patients treated at two major referral hospitals in Namibia. A total of 20 hospitalized patients were included. The majority of patients were male (65%) and children aged 0-15 years (65%). Zebra spitting cobra bites accounted for 60% of cases. Eighty percent of patients presented with predominantly cytotoxic envenomation. Neurological symptoms were documented in a small number of patients (33% of zebra spitting cobra cases and 13% of puff adder cases), but were mild and nonspecific. Antivenom was administered to only 15% of patients. Zebra spitting cobra envenomation was associated with laboratory abnormalities consistent with systemic involvement such as anemia, hemolysis, rhabdomyolysis, hepatic involvement, and renal impairment, whereas puff adder bites demonstrated minimal systemic involvement. Surgical intervention was frequently required, including debridement, fasciotomy, and amputations (15%); however, no fatalities were recorded. These findings highlight the substantial morbidity associated with snakebite envenomation in Namibia and emphasize the importance of early referral, appropriate wound management, and improved access to effective antivenom. However, these findings should be interpreted within the limitations of the small sample size, convenience sampling, and incomplete laboratory investigations in some patients. Nevertheless, this study provides important baseline clinical data to support future snakebite management strategies and region-specific treatment guidelines in Namibia.

Indexed as

BitisSnake BitesAdolescentAdultAnimalsAntiveninsChildChild, PreschoolElapid VenomsFemaleHumansInfantMaleNajaNamibiaProspective StudiesAntiveninsElapid VenomsantivenomBitis arietanscytotoxicityNaja nigricincta nigricinctapuff adderrhabdomyolysissnakebite envenomationzebra spitting cobra

Identifiers

PMID42494335
PMCPMC13397093

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.