Exoscopic surgery promises alleviation of physical strain, improved intraoperative visualization and facilitation of the clinical workflow. In this prospective observational study, we investigate the clinical usability of a novel 3D4K-exoscope in routine neurosurgical interventions. Questionnaires on the use of the exoscope were carried out. Exemplary cases were additionally video-documented. All participating neurosurgeons (n = 10) received initial device training. Changing to a conventional microscope was possible at all times. A linear mixed model was used to analyse the impact of time on the switchover rate. For further analysis, we dichotomized the surgeons in a frequent (n = 1) and an infrequent (n = 9) user group. A one-sample Wilcoxon signed rank test was used to evaluate, if the number of surgeries differed between the two groups. Thirty-nine operations were included. No intraoperative complications occurred. In 69.2% of the procedures, the surgeon switched to the conventional microscope. While during the first half of the study the conversion rate was 90%, it decreased to 52.6% in the second half (p = 0.003). The number of interventions between the frequent and the infrequent user group differed significantly (p = 0.007). Main reasons for switching to ocular-based surgery were impaired hand–eye coordination and poor depth perception. The exoscope investigated in this study can be easily integrated in established neurosurgical workflows. Surgical ergonomics improved compared to standard microsurgical setups. Excellent image quality and precise control of the camera added to overall user satisfaction. For experienced surgeons, the incentive to switch from ocular-based to exoscopic surgery greatly varies.
Background Exoscopic surgery promises alleviation of physical strain, improved intraoperative visualization and facilitation of the clinical workflow. In this prospective observational study we investigate the clinical usability of a novel 3D4K-exoscope in routine neurosurgical interventions. Methods Questionnaires on the use of the exoscope were carried out. Exemplary cases were additionally video-documented. All participating neurosurgeons (n=10) received initial device training. Changing to a conventional microscope was possible at all times. A linear mixed model was used to analyze the impact of time on the switchover rate. For further analysis we dichotomized the surgeons in a frequent (n=1) and an infrequent (n=9) user group. A one-sample Wilcoxon signed rank test was used to evaluate, if the number of surgeries differed between the two groups. Results 39 operations were included. No intraoperative complications occurred. In 69.2% of the procedures, the surgeon switched to the conventional microscope. While during the first half of the study the conversion rate was 90%, it decreased to 52.6% in the second half ( p =0.003). The number of interventions between the frequent and the infrequent user group differed significantly ( p =0.007). Main reasons for switching to ocular-based surgery were impaired hand-eye coordination and poor depth perception. Conclusion The exoscope investigated in this study can be easily integrated in established neurosurgical workflows. Surgical ergonomics improved compared to standard microsurgical setups. Excellent image quality and precise control of the camera added to overall user satisfaction. For experienced surgeons, the incentive to switch from ocular-based to exoscopic surgery greatly varies.
BackgroundUtilisation of multidisciplinary teams is considered the best approach to care and treatment for cancer patients. However, the multidisciplinary approach has mainly focused on inpatient care rather than routine outpatient care. The situation in private practice care and outpatient care is gradually changing. We aimed to 1), investigate interdisciplinary cooperations in the care of tumor patients among urologists and oncologists in the community setting, 2), establish an estimate of the prevalence of cooperation among oncologists and organ-specific providers in community settings in Germany and 3), characterise existing cooperations among oncologists and urologists.MethodsWe conducted simultaneously a cross-sectional survey with private practice urologists (n = 1,925) and a qualitative study consisting of semi-structured interviews with urologists and oncologists (n = 42), primarily with private practices, who had indicated cooperation the care of urological tumor patients.ResultsMost of the participants (66%) treated their own tumor patients. When physicians referred patients, they did so for co- and subsequent treatments (43%). Most cooperating urologists were satisfied with the partnership and appreciated the competency of their partners. Qualitative interviews revealed two types of collaboration in the community setting: formal and informal. Collaborations were usually ongoing with many physicians and depended equally on both patient preference and diagnosis.ConclusionJoint patient treatment requires clear delineation of roles and responsibilities and simple means of communication. Formal frameworks should allow for incorporation of patients’ critical role in collaboration decisions in treatment and care.
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