ArticleJournal of thoracic disease2025
The effects of a modified deep serratus anterior plane block on surgical stress and perioperative neurocognitive disorders in elderly patients undergoing thoracic surgery: a randomized clinical study.
Article in Journal of thoracic disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Perioperative stress response is an important risk factor for perioperative neurocognitive disorder (PND) in elderly patients. This study aimed to evaluate and compare the effects of a modified deep serratus anterior plane block (DSPB) combined with general anesthesia on surgical stress and PND in elderly patients undergoing thoracic surgery. Methods: A total of 66 patients undergoing thoracic surgery were randomly assigned to receive either a single-shot DSPB or local block after tracheal intubation using ropivacaine 0.5% (20 mL). The primary outcomes were the visual analog scale (VAS) scores at each time point. The secondary outcomes included the Montreal Cognitive Assessment (MoCA) score before surgery and after discharge from the hospital (or seventh day postoperatively), malondialdehyde (MDA), superoxide dismutase (SOD), and serum cortisol levels, drug consumption, vital signs, and blood gas analysis. Results: Ultimately, 60 patients were enrolled in the study. The VAS scores were significantly lower in the DSPB group than the local block group (all P<0.05). There was a statistically significant difference in the blood gas analysis index total carbon dioxide (TCO Conclusions: Compared with the local block, the elderly patients undergoing thoracic surgery who received the DSPB had a superior analgesic effect, a lower VAS score, and shorter length of hospitalization. As a DSPB does not require ultrasound equipment, it is simpler and easier to operate than a local block, and is especially suitable for widespread implementation in small hospitals. Trial Registration: China Clinical Trials Registry ChiCTR2300068717.
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