Pharmacopsychiatry · 2021
Comparison of Sodium Lactate Infusion and Carbon Dioxide Inhalation Panic Provocation Tests: A Meta-analysis.
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Tural Umit, Iosifescu Dan V
Аннотация
BACKGROUND: Sodium lactate (NaL) infusion and carbon dioxide (CO2) inhalation are proven to provoke acute panic attacks (PAs) in patients with panic disorder (PD). A systematic literature search and meta-analysis were performed to compare the effect sizes of these methods.
METHODS: Odds ratios were calculated for each of the original studies and were pooled using the random-effects model.
RESULTS: Either NaL or CO2 provocations significantly increased the rates of PAs in individuals with PD compared to those in healthy controls. However, the effect size of NaL infusion (OR=25.13, 95% CI=15.48-40.80) was significantly greater than that of CO2 inhalation (OR=10.58, 95%CI=7.88-14.21).
CONCLUSION: The evidence for the efficacy of the two panic provocation tests is very strong. Yet, the results support the superiority of NaL infusion over CO2 inhalation challenge as a panic provocation test. Thus, lactate seems a much stronger stimulus than CO2 for the brain suffocation detector.
METHODS: Odds ratios were calculated for each of the original studies and were pooled using the random-effects model.
RESULTS: Either NaL or CO2 provocations significantly increased the rates of PAs in individuals with PD compared to those in healthy controls. However, the effect size of NaL infusion (OR=25.13, 95% CI=15.48-40.80) was significantly greater than that of CO2 inhalation (OR=10.58, 95%CI=7.88-14.21).
CONCLUSION: The evidence for the efficacy of the two panic provocation tests is very strong. Yet, the results support the superiority of NaL infusion over CO2 inhalation challenge as a panic provocation test. Thus, lactate seems a much stronger stimulus than CO2 for the brain suffocation detector.