Use of ketamine in patients with multifactorial neuropathic pain: a systematic review and meta-analysis

Neuropathic pain (NP) is a heterogeneous group of conditions characterized by the experience of a number of sensory disturbances including pain, burning sensations, paroxysms of stabbing pain, dysesthesias, allodynia, and hyperalgesia. The above-mentioned sensations may occur in a specific dermatome area or other delimited region of the body. The objective of this review was to analyze the evidence for ketamine in multifactorial neuropathic pain. The research group systematically searched the databases MEDLINE (via PubMed), EMBASE, SCOPUS, the Cochrane Central Register of Controlled Trials, the Cumulative Index to Nursing and Allied Health Literature (Cinahl), and the Web of Science. The findings of this review show that different forms of low doses of ketamine (LDK) do not present statistically significant changes for any of the scales included. In this study, the total symptom score [standardized mean difference (SMD) = -3.59, confidence interval (CI) = -4.16 to -3.02, and p < 0.00001], neuropathy impairment score (SMD = -1.42, CI = -3.68 to 0.84, and p = 0.22), and neuropathy symptom checklist (SMD = -0.09, CI = -0.15 to -0.02, and p = 0.01) were taken into account. For finality compared to the use of a placebo, the findings suggest that LDK does not exhibit significant differences in terms of pain reduction and functionality. Moreover, no specific dosages are identified to support the use of LDK in the reduction in NP.

Citación

Pharmaceuticals, Vol. 17, N°9, 1165 (2024) p.1-15

Palabras clave

Ketamine, Pharmacology, Neuropathic pain, Polyneuropathy

Licencia

Atribución-NoComercial-CompartirIgual 3.0 Chile (CC BY-NC-SA 3.0 CL)

Licencia URL

http://creativecommons.org/licenses/by-nc-sa/3.0/cl/

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