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The purpose of this study was to evaluate the effectiveness and safety of retrosigmoid approach in treating older patients with trigeminal neuralgia (TN).

In this retrospective study, 49patients (65 and over, elderly group) and 85 patients (under 65, young group) underwent MVD, MVD + PSR or PSR for idiopathic TN from July 2009 to December 2018. The two groups were compared for immediate, long-term pain outcome and postoperative complications. All perioperative data were collected from medical records and telephone interviews. The pain outcomes were assessed with the Barrow Neurological Institute (BNI) pain score.

The length of follow-up was 13.2 to 124.8 months. 91.8% of the elderly patients and 89.4% of the young patients achieve "Good" immediate pain outcome (BNI I-II), the proportion were 73.5% and 60.0%, respectively, in long-term pain outcome. No statistically significant differences existed in the immediate and long-term pain outcome between the elderly and young patients (P = 0.768 and P = 0.116, respectively). In the grouping analysis, whether in the pure MVD group or the PSR-related group, the immediate and long-term pain outcomes of elderly patients were not significantly different from those of younger patients. Meanwhile, there was no significant difference in the incidence of neurological and non-neurological complications between two groups.

Compared with young patients, the treatment for TN in elderly patients via retrosigmoid approach has the same favorable pain outcome. The safety of this procedure for elderly TN patients is similar to that in young patients.

Compared with young patients, the treatment for TN in elderly patients via retrosigmoid approach has the same favorable pain outcome. The safety of this procedure for elderly TN patients is similar to that in young patients.

Frailty is a measure of physiologic reserve that is frequently cited as a predictor of postoperative complications. However, the effect of frailty on patients undergoing a relatively common procedure such as transsphenoidal resection of pituitary tumors (TSRPT) is unknown. Therefore, we sought to explore this relationship using a large, national database.

The 2006-2014 American College of Surgeons National Surgical Quality Improvement Program database was retrospectively reviewed to identify all patients who underwent TSRPT. Frailty scores were assigned using the established 11-factor modified Frailty Index (mFI-11). Patients were divided into low-frailty and high-frailty groups, based on mFI comorbidities of ≤ 1 and ≥ 2, respectively. Univariable and multivariable analyses were performed to evaluate the impact of frailty on postoperative outcomes and mortality.

A total of 993 patients were included in the analysis. The low-frailty group consisted of 825 patients; the high-frailty group comprised 168 patients. In univariable analysis, there were no significant differences in medical (low-frailty 4.8%, high-frailty 8.3%; p = 0.069) and surgical (low-frailty 1.1%, high-frailty 1.2%; p = 1.000) complications; however, the high-frailty group had a higher rate of mortality (3%) when compared with the low-frailty group (0.6%; p = 0.016, OR 4.07, p = 0.044) and longer hospitalization (4.5 ± 7.4 vs. 5.8 ± 6.8 days; p = 0.023). In multivariable analysis, frailty was a predictor of mortality but not complications or reoperation.

Our study shows that frailty, as measured by the mFI-11, does not predict postoperative complications in patients who undergo TSRPT, but greater frailty is correlated with higher mortality and increased hospital length of stay.

Our study shows that frailty, as measured by the mFI-11, does not predict postoperative complications in patients who undergo TSRPT, but greater frailty is correlated with higher mortality and increased hospital length of stay.Mutation in the fukutin-related protein (FKRP) gene causes alpha-dystroglycanopathies, a group of autosomal recessive disorders associated with defective glycosylated alpha-dystroglycan (α-DG). The disease phenotype shows a broad spectrum, from the most severe congenital form involving brain and eye anomalies to milder limb-girdle form. FKRP-related alpha-dystroglycanopathies are common in European countries. However, a limited number of patients have been reported in Asian countries. Here, we presented the clinical, pathological, and genetic findings of nine patients with FKRP mutations identified at a single muscle repository center in Japan. Three and six patients were diagnosed with congenital muscular dystrophy type 1C and limb-girdle muscular dystrophy 2I, respectively. None of our Asian patients showed the most severe form of alpha-dystroglycanopathy. While all patients showed a reduction in glycosylated α-DG levels, to variable degrees, these levels did not correlate to clinical severity. Fifteen distinct pathogenic mutations were identified in our cohort, including five novel mutations. Unlike in the populations belonging to European countries, no common mutation was found in our cohort.It is unclear how variations in operative duration affect outcomes after craniotomy for supratentorial brain tumor. We characterized three populations of patients with typical, shorter, and longer durations of craniotomy for supratentorial brain tumor using prospectively collected clinical data from 16,335 patients in the 2012-2018 ACS National Surgical Quality Improvement Program (NSQIP) database. We compared baseline characteristics including demographics, comorbidities, tumor type, and operative features. We used propensity score matching to attain covariate balance and logistic regression to assess odds of unfavorable outcomes. Patients with the shortest operation durations tended to be older, with fewer males, higher ASA class, more metastatic brain tumors, more medical comorbidities, and less use of intraoperative microscope or ultrasound. Patients with the longest operative durations tended to be younger, with more males, fewer non-white minorities, more obesity, lower ASA classes, more intrinsic brain tumors, fewer medical comorbidities, fewer emergency operations, and increased use of intraoperative microscope. For patients with the shortest operations, after matching, we observed significantly decreased odds of prolonged length-of-stay (LOS), major complication, any complication, reoperation, and discharge to a facility; however, there was a significantly increased risk of 30-day mortality. For patients with the longest operations, after matching, we observed significantly increased odds of prolonged LOS; minor, major, and any complication; discharge to facility; and 30-day reoperation. After matching to balance baseline characteristics, operative duration has implications for outcomes following craniotomy for supratentorial brain tumor.

This study investigated whether there was a relationship between steno-occlusion of the vertebral artery (VA) segments and the dominant VA side.

Angiography results of 215 patients (146 men; 69 women) were retrospectively analyzed in this study. The patients were divided into three groups dominant, non-dominant and co-dominant. These groups were compared according to the presence of steno-occlusion in the vertebral artery segments. The results were evaluatedusing X

, Mann-Whitney U and Kruskal-Wallis tests. For correlation analysis, Spearman's Rho test was used.

The findings showed that 55 of 215 patients (25.6%) had a right dominant VA, and 103 (47.9%) had left dominant VA. There was no significant relationship between dominance and age or gender (p>0.05). More vertebral artery stenosis (VAS) was found on the dominant side. However, a significant relationship only in the right dominant V1 segment (p=0.044) was noticed. Hypoplastic VA was detected in 13 patients (6%). Most of the VAs (98.4%, n=423) arose from the subclavian artery.

In conclusion, we found more vertebral artery stenosis on the dominant side than the co-dominant side, especially on the origin of the vertebral arteries. YUM70 However, it was only significant on the right dominant V1 segment, regardless of age and gender of the patients (p>0.05).

0.05).

Lumbar spondylolysis in children of elementary school age has different characteristics from those of junior or senior high school patients. The purpose of the present study was to investigate the outcomes of conservative treatment for lumbar spondylolysis in patients of elementary school age.

We included 46 lesions in 32 consecutive patients of elementary school age with fresh cases of lumbar spondylolysis (5 girls and 27 boys; mean age, 11.3years). We examined the relationship between bone union after conservative treatment and factors such as the CT axial staging, whether the lesion was unilateral or bilateral, whether the contralateral lesion was terminal stage, and the presence of spina bifida occulta.

Bone union was achieved in 33 lesions (72%) in 23 patients, whereas 13 lesions (28%) in 9 patients could not obtain bone union. link2 The proportion of unilateral lesions with bone union was 13 of 13 (100%), significantly higher than that for bilateral lesions (20/33 lesions, 61%, p=0.009). Of the 33 bilateral lesions, bone union was attained in 20 of 28 (71%) lesions without contralateral terminal stage, whereas bone union was not attained in any of 5 (0%) lesions with contralateral terminal stage, showing a significant difference between those with or without contralateral terminal stage (p=0.005).

Bilateral lesions and contralateral terminal stage are possible unfavorable factors to bone union in conservative treatment for patients of elementary school age with lumbar spondylolysis. Early diagnosis and treatment before the lesions become bilateral or progressive stage are important.

Bilateral lesions and contralateral terminal stage are possible unfavorable factors to bone union in conservative treatment for patients of elementary school age with lumbar spondylolysis. Early diagnosis and treatment before the lesions become bilateral or progressive stage are important.Deep-seated intracranial arteriovenous malformations (AVMs) represent a subset of AVMs characterized by variably reported outcomes regarding the risk of hemorrhage, microsurgical complications, and response to stereotactic radiosurgery (SRS). We aimed to compare outcomes of microsurgery, SRS, endovascular therapy, and conservative follow-up in deep-seated AVMs. A prospectively maintained database of AVM patients (1990-2017) was queried to identify patients with ruptured and unruptured deep-seated AVMs (extension into thalamus, basal ganglia, or brainstem). link3 Comparisons of hemorrhage-free survival and poor functional outcome (modified Rankin scale [mRS] > 2) were performed between conservative management, microsurgery (±pre-procedural embolization), SRS (±pre-procedural embolization), and embolization utilizing multivariable Cox and logistic regression analyses controlling for univariable factors with p less then 0.05. Of 789 AVM patients, 102 had deep-seated AVMs (conservative 34; microsurgery 6; SRS 54; embolization 8). Mean follow-up time was 6.1 years and did not differ significantly between management groups (p = 0.393). Complete obliteration was achieved in 49% of SRS patients. Upon multivariable analysis controlling for baseline rupture with conservative management as a reference group, embolization was associated with an increased hazard of hemorrhage (HR = 6.2, 95%CI [1.1-40.0], p = 0.037), while microsurgery (p = 0.118) and SRS (p = 0.167) provided no significant protection from hemorrhage. Controlling for baseline mRS, microsurgery was associated with an increased risk of poor outcome (OR = 9.2[1.2-68.3], p = 0.030), while SRS (p = 0.557) and embolization (p = 0.541) did not differ significantly from conservative management. Deep AVMs harbor a high risk of hemorrhage, but the benefit from intervention Remains uncertain. SRS may be a relatively more effective approach if interventional therapy is indicated.