What question did this study set out to answer?

To evaluate the impact of T2-sparing versus T2-including sympathectomy on compensatory sweating in patients with hyperhidrosis.

T2-sparing vs T2-including sympathectomy for hyperhidrosis: a meta-analysis on compensatory sweating

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Randomized trial compares T2-sparing and T2-including sympathectomy outcomes in hyperhidrosis, suggesting T2-sparing reduces complications.

To evaluate the impact of T2-sparing versus T2-including sympathectomy on compensatory sweating in patients with hyperhidrosis.
Systematic searches of PubMed, Embase, and the Cochrane Library up to July 2025
Pooled odds ratios (ORs) calculated using random-effects models
Included 11 studies with a total of 3,090 patients
T2-sparing sympathectomy associated with 62% lower overall compensatory sweating (OR 0.38; 95% CI 0.21–0.67; p = 0.0009)
Severe compensatory sweating was reduced by 57% with T2-sparing (OR 0.43; 95% CI 0.28–0.64; p < 0.0001)
Findings consistent across randomized/non-randomized studies and various follow-up periods

Delgado et al. (2026) studied this question.

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Randomized trial compares T2-sparing and T2-including sympathectomy outcomes in hyperhidrosis, suggesting T2-sparing reduces complications.