Inpatient Outcomes of Intercostal Nerve Cryoablation With Surgical Rib Fixation

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IntroductionRib fractures are associated with significant pain and morbidity. Intercostal nerve cryoablation (INCA) offers targeted, prolonged pain relief for these patients. Over the last decade, more patients have undergone surgical stabilization of rib fractures (SSRF) after injury. However, data on INCA use in SSRF patients are limited. This study aimed to identify the relationship of INCA in blunt trauma patients (BTPs) undergoing SSRF, hypothesizing INCA coupled with SSRF would decrease hospital length of stay (LOS). MethodsThe Trauma Quality Improvement Program database (2017-2021) was queried for BTPs ≥18 y old who underwent SSRF. Patients who received INCA ((+)INCA) were compared to patients who did not ((−)INCA). The primary outcome was LOS. Secondary outcomes included intensive care unit (ICU) LOS and in-hospital complications. A subgroup analysis of only flail chest patients was performed. ResultsFrom 15,784 BTPs, 750 (4.8%) received INCA. Hospital LOS was similar between groups (12 versus 12 d, P = 0.10); however, the (+)INCA patients had decreased ICU LOS (6 versus 7 d, P < 0.001). The (+)INCA cohort also had decreased hospital complications (20.4% versus 24.4%, P = 0.01), including pulmonary embolism (0.7% versus 1.8%, P = 0.02) and ventilator-associated pneumonia (2.1% versus 3.8%, P = 0.02). On subgroup analysis of flail chest patients, decreased ICU LOS in the (+)INCA patients remained a significant outcome (7 versus 8 d, P = 0.02). ConclusionsNearly 5% of SSRF patients received INCA. While overall LOS was similar, the (+)INCA cohort had decreased ICU LOS and in-hospital complications. Future studies are needed to corroborate these findings and evaluate any long-term complications associated with INCA before widespread adoption.