self-management may improve treatment adherence in a vulnerable population.

Single-stage spinal correction without previous neurosurgical intervention has been attempted in patients with scoliosis associated with syringomyelia (SM). However, evidence to demonstrate its potential influence on associated SM from direct spinal correction is still lacking. The aim of the present study was to explore the role of spinal shortening in the prognosis of SM-associated scoliosis after single-stage spinal correction without previous neurosurgical intervention.

Patients with SM-associated scoliosis without previous neurological intervention, who had undergone posterior direct instrumental correction (PDIC) without osteotomy and posterior vertebral column resection (PVCR) at a single center, were selected for comparative analysis. The basic demographic and pre- and postoperative imaging data of the spinal deformity and SM at the final follow-up were compared separately for the 2 different spinal correction procedures.

A total of 23 patients were included in the final analysis 13 had undergonatients with scoliosis and untreated SM using strict inclusion criteria, which will not only achieve safe spinal correction but could also steadily improve and stabilize SM.

The reduction of spinal cord tension is an important factor influencing SM improvement. LLY-283 mouse As the most powerful spinal-shortening osteotomy, PVCR can effectively correct severe spinal deformities and improve associated SM. Single-stage posterior spinal correction can be a potential choice for selected patients with scoliosis and untreated SM using strict inclusion criteria, which will not only achieve safe spinal correction but could also steadily improve and stabilize SM.

Intraoperative neurophysiologic monitoring (IOM) has been used clinically since the 1970s and is a reliable tool for detecting impending neurologic compromise. However, there are mixed data as to whether long-term neurologic outcomes are improved with its use. We investigated whether IOM used in conjunction with image guidance produces different patient outcomes than with image guidance alone.

We reviewed 163 consecutive cases between January 2015 and December 2018 and compared patients undergoing posterior lumbar instrumentation with image guidance using and not using multimodal IOM. Monitored and unmonitored surgeries were performed by the same surgeons, ruling out variability in intersurgeon technique. Surgical and neurologic complication rates were compared between these 2 cohorts.

A total of 163 patients were selected (110 in the nonmonitored cohort vs. 53 in the IOM cohort). Nineteen signal changes were noted. Only 3 of the 19 patients with signal changes had associated neurologic deficits postoperatively (positive predictive value 15.7%). There were 5 neurologic deficits that were observed in the nonmonitored cohort and 8 deficits observed in the monitored cohort. Transient neurologic deficit was significantly higher in the monitored cohort per case (P < 0.0198) and per screw (P < 0.0238); however, there was no difference observed between the 2 cohorts when considering permanent neurologic morbidity per case (P < 0.441) and per screw (P< 0.459).

The addition of IOM to cases using image guidance does not appear to decrease long-term postoperative neurologic morbidity and may have a reduced diagnostic role given availability of intraoperative image-guidance systems.

The addition of IOM to cases using image guidance does not appear to decrease long-term postoperative neurologic morbidity and may have a reduced diagnostic role given availability of intraoperative image-guidance systems.

The incidence of retractions has been increasing steadily, in direct proportion to the volume of scientific literature. Retraction of published articles depends on the visibility of journals and on postpublication scrutiny of published articles by peers. The possibility thus exists that not all compromised (“retractable”) articles are detected and retracted from the less-visible journals. The proportion of “retractable” articles and its converse, the proportion of published articles in each journal that are likely to be “true” (PTP), have not been estimated hitherto.

Three journal sets were created pure neurosurgery journals (NS-P), the neurosurgery component of multidisciplinary journals (NS-MD), and high-impact clinical journals (HICJs). We described a new metric (the retraction gap [RGap]), defined as the proportion of retractable articles in journals that have not been retracted. We computed the expected number of retractable articles, RGap, and PTP for each journal, and compared these metrics across groups.

Fifty-three NS-P journals, 10 NS-MD journals, and 63 HICJs were included in the analysis. The estimated number of retractable articles was 31 times the actual number of retractions in NS-P journals, 6 times higher in the NS-MD journals, and 26 times higher for the HICJs. The RGap was 96.7% for the NS-P group, 83.5% for the NS-MD group, and 96.2% for the HICJs. The PTP was 99.3% in the NS-P group, 99.2% in the NS-MD group, and 98.6% in the HICJs.

Neurosurgery as a discipline had a higher RGap but also a higher PTP than the other 2 groups.

Neurosurgery as a discipline had a higher RGap but also a higher PTP than the other 2 groups.

Preoperative venogram of the superior sagittal sinus (SSS) is helpful to plan the surgical resection strategy in patients with parasagittal meningiomas invading the SSS.

Catheter 3-dimensional rotational venography (3D-RV) allows for SSS patency assessment and detection of alternative venous cortical drainage routes in patients with contraindication for magnet resonance venography. It is unknown if separate bilateral internal carotid artery 3D-RV followed by postprocessing 3D-3D fusion (technique 1) achieves the same imaging results as simultaneous bilateral internal carotid artery 3D-RV without postprocessing fusion (technique 2) needed.

In this report we were able to confirm in 2 patients that both techniques achieve comparable imaging quality with similar amount of contrast use.

Although technique 2 requires less radiation, technique 1 is favored due to the need for only 1 vessel access site and catheter with reduced risk for access site and ischemic complications.

Although technique 2 requires less radiation, technique 1 is favored due to the need for only 1 vessel access site and catheter with reduced risk for access site and ischemic complications.