Objective To analyze the application effect of multidisciplinary collaborative nursing based on the Information-Knowledge-Attitude-Practice (IKAP) theory in patients undergoing lobectomy via thoracoscopy.

Methods A total of 168 patients undergoing lobectomy via thoracoscopy were selected, and randomly divided into control group and observation group using a random number table, with 84 patients in each group. The control group received routine nursing, while the observation group received multidisciplinary collaborative nursing based on the IKAP theory in addition to routine nursing. The postoperative recovery, pulmonary function indicators forced vital capacity (FVC), maximum voluntary ventilation (MVV) and ratio of forced expiratory volume in the first second to forced vital capacity (FEV₁/FVC), self-efficacy General Self-Efficacy Scale (GSES) score and self-management ability Chronic Disease Self-Management Questionnaire (CDSMQ) score before and after intervention were observed and compared between the two groups.

Results The observation group had shorter first ambulation time, first flatus time and length of hospital stay compared with the control group (P < 0.05). Before intervention, there were no statistically significant differences in FVC, MVV, FEV₁/FVC, CDSMQ scores and GSES scores between the two groups (P>0.05). After intervention, the observation group had higher FVC, MVV, FEV₁/FVC, CDSMQ scores and GSES scores compared with the control group (P < 0.05).

Conclusion Multidisciplinary collaborative nursing based on the IKAP theory can effectively promote the recovery process in patients undergoing lobectomy via thoracoscopy, improve postoperative pulmonary function, self-management ability, and self-efficacy, thereby enhancing the quality of rehabilitation.