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Abstract:
Ototoxicity and efficacy of netilmicin was evaluated in 76 consecutive patients with moderate to severe infections with Gram-negative rods and Staphylococcus aureus. Netilmicin alone was efficacious in 47 patients and in another 23 patients cure or improvement was seen with netilmicin combined with another antibiotic, usually penicillin. Therapeutic failure was seen in 4 cases, 2 of which were regarded as netilmicin failures. Vestibular function and hearing acuity was thoroughly examined by electronystagmography and audiometry. In spite of the extensive examination of the audiovestibular function it was possible to detect only one probable case of ototoxicity related to netilmicin, a reversible vestibular dysfunction. The importance of pre-therapeutic audiovestibular examination is stressed.
Insights
Netilmicin demonstrated good efficacy in treating Gram-negative rod and Staphylococcus aureus infections. Ototoxicity was rare, with only one reversible case of vestibular dysfunction observed in patients receiving this antibiotic.
Area of Science:
- Pharmacology
- Infectious Diseases
- Ototoxicology
Background:
- Netilmicin is an aminoglycoside antibiotic used for serious bacterial infections.
- Assessing the safety and efficacy profile of antibiotics is crucial for clinical practice.
Purpose of the Study:
- To evaluate the efficacy of netilmicin in patients with moderate to severe Gram-negative rod and Staphylococcus aureus infections.
- To assess the ototoxicity of netilmicin by examining auditory and vestibular function.
Main Methods:
- A cohort of 76 patients with moderate to severe infections received netilmicin.
- Efficacy was determined by clinical cure or improvement.
- Audiometry and electronystagmography were used to evaluate audiovestibular function.
Main Results:
- Netilmicin was efficacious alone in 47 patients and in combination with other antibiotics in 23 patients.
- Therapeutic failure occurred in 4 cases, with 2 attributed to netilmicin.
- Only one probable case of reversible ototoxicity (vestibular dysfunction) was detected.
Conclusions:
- Netilmicin exhibits significant efficacy in treating Gram-negative rod and Staphylococcus aureus infections.
- The risk of ototoxicity associated with netilmicin appears low.
- Pre-treatment audiovestibular examination is recommended to monitor for potential adverse effects.