Prefectural difference in spontaneous intracerebral hemorrhage incidence in Japan analyzed with publically accessible diagnosis procedure combination data: possibilities and limitations

Trends in surgical procedures for spontaneous intracerebral hemorrhage in Japan

OBJECTIVES

Minimally invasive surgery for spontaneous intracerebral hemorrhage (ICH) has become increasingly popular in recent years. However, there are no reports on the recent trends in surgical procedures for spontaneous ICH. To investigate current trends in surgical methods for spontaneous ICH using a nationwide inpatient database from Japan.

MATERIALS AND METHODS

Patients who underwent surgery for spontaneous ICH between April 2014 and March 2018 were identified in a nationwide inpatient database from Japan. We examined patient characteristics, diagnoses, types of surgery, complications, and discharge status.

RESULTS

We identified 21,129 inpatients who underwent surgery for spontaneous ICH. The procedures were as follows: 16,256 (76.9%) transcranial hemorrhage evacuations, 3722 (17.6%) endoscopic hemorrhage evacuations, and 1151 (5.4%) stereotactic aspirations of hemorrhage. Patients tended to receive transcranial hemorrhage evacuations in hospitals with fewer surgical cases. The proportions of endoscopic hemorrhage evacuations increased annually, whereas those of stereotactic surgery decreased. The proportions of transcranial surgery remained almost unchanged. Tracheostomy and hospitalization costs were lower in the stereotactic aspirations of hemorrhage group, and the proportions of reoperation were higher in the endoscopic hemorrhage evacuations group.

CONCLUSIONS

The use of endoscopic surgery for spontaneous ICH has increased in Japan. This study can form the basis of future clinical investigations into spontaneous ICH surgery.

Comparison of Perioperative Complications Between Anterior Fusion and Posterior Fusion for Osteoporotic Vertebral Fractures in Elderly Patients: Propensity Score-Matching Analysis Using Nationwide Inpatient Database

STUDY DESIGN

This was a retrospective cohort study using a nationwide inpatient database.

OBJECTIVE

The objective of this study was to evaluate the perioperative complications post-anterior fusion (AF) and posterior fusion (PF) for osteoporotic vertebral fractures (OVFs) with a large National Inpatient Database.

SUMMARY OF BACKGROUND DATA

OVF of the thoracolumbar spine often occur because of bone fragility and low-energy trauma in elderly patients. Though AF and PF are 2 representative surgical methods, there have been few studies focusing on perioperative complications of each method.

MATERIALS AND METHODS

The total 2446 (AF: 435 cases, PF: 2011 cases) patients who diagnosed thoracic or lumbar OVF and received either AF or PF were included from 2012 to 2016 with the Diagnosis Procedure Combination (DPC) database. After one-to-one propensity score-matching, total 866 cases were analyzed to evaluate systemic and local complication rates, reoperation rates, costs, and mortality.

RESULTS

A total of 433 pairs were made between the surgical procedures after matching. At least 1 systemic complication was seen in 26.6% of the AF group compared with 16.9% of the PF group (P=0.001). Specifically, the incidence of pulmonary embolism (P=0.045), urinary tract infection (P=0.012), and pleurisy (P=0.004) were significantly higher in the AF group. Blood transfusion (P=0.007) and the operation for systemic complications (P=0.020) were required more often in the AF group. The cost for hospitalization was also higher in the AF group (P<0.001). There were no differences in the mortality rates between the 2 groups.

CONCLUSIONS

More systemic complications were observed in the AF group. Surgeons need to take careful consideration of the merits and demerits described in this study when deciding the surgical method for OVF.

LEVEL OF EVIDENCE

Level 3.