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Τρίτη 25 Μαΐου 2021

30-Day Readmissions and Coordination of Care Following Endoscopic Transsphenoidal Pituitary Surgery: Experience with 409 Patients

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J Neurol Surg B Skull Base
DOI: 10.1055/s-0041-1729980

Objective The study aimed to (1) quantify readmission rates and common causes of readmission following endoscopic transsphenoidal pituitary surgery (ETPS); (2) identify risk factors that may predict readmission within 30 days; (3) assess postoperative care coordination with endocrinology follow-up; and (4) identify patients for whom targeted interventions may reduce 30-day readmissions. Methods Retrospective quality improvement review of patients with pituitary adenoma who underwent ETPS from December 2010 to 2018 at a single tertiary care center. Results A total of 409 patients were included in the study, of which 57 (13.9%) were readmitted within 30 days. Hyponatremia was the most common cause of readmission (4.2%) followed by pain/headache (3.9%), cerebrospinal fluid leak (3.4%), epistaxis (2.7%), hypernatremia (1.2%), and adrenal insufficiency (1.2%). Patients with hyponatremia were readmitted significantly earlier than other causes (4.3 ± 2.2 vs. 10.6 ± 10.9 days from discharge, p = 0.032). Readmitted patients had significantly less frequent outpatient follow-up with an endocrinologist than the nonreadmitted cohort (56.1 vs. 70.5%, p = 0.031). Patients who had outpatient follow-up with an endocrinologist were at lower risk of readmission compared with those without (odds ratio: 0.46; 95% confidence interval: 0.24–0.88). Conclusion Delayed hyponatremia is one of the most common causes of 30-day readmission following ETPS. Postoperative follow-up with an endocrinologist may reduce risk of 30-day readmission following ETPS. Implications for Clinical Practice A multidisciplinary team incorporating otolaryngologist, neurosurgeons, and endocrinologist may identify patients at risk of 30-day readmissions. Protocols checking serum sodium within 1 week of surgery in conjunction with endocrinologist to tailor fluid restriction may reduce readmissions from delayed hyponatremia.
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Georg Thieme Verlag KG Rüdigerstraße 14, 70469 Stuttgart, Germany

Article in Thieme eJournals:
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The Clinical Value of Periventricular White Matter Hyperintensity on MRI in Sudden Sensorineural Hearing Loss

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Ann Otol Rhinol Laryngol. 2021 May 25:34894211018925. doi: 10.1177/00034894211018925. Online ahead of print.

ABSTRACT

OBJECTIVES: To assess the clinical value of periventricular white matter hyperintensity (PWMH) found on brain magnetic resonance imaging (MRI) in patients with sudden sensorineural hearing loss (SSNHL).

METHODS: In this prospective study, 115 patients who were diagnosed with SSNHL aged between 55 and 75 years were analyzed. All subjects underwent brain MRI and were divided into a PWMH and control groups, depending on the presence of PWMH on MRI. PWMH was subdivided into 3 groups according to severity. Pure-tone average results and hearing gain were compared between the 2 groups before treatment and 2 months after treatment. Hearing improvement was assessed using Sigel's criteria.

RESULTS: A total of 106 patients (43 in the PWMH group and 63 in the control group) finally completed the 2-month follow-up. Average hearing gain in the PWMH group was significantly higher than in the control group (34.8 ± 20.3 and 25.9 ± 20.3, respectively, P = .029). PWMH score 1 showed significantly better hearing levels and hearing gain compared to PWMH score 3 and the control group. Multivariate analysis revealed that younger age, better initial hearing level, and the presence of PVWM score 1 were associated with good recovery.

CONCLUSIONS: The presence of PWMH score 1 on brain MRI in patients with SSNHL was associated with bette r treatment response and was a good prognostic factor in a multivariate analysis while the hearing recovery in more severe PWMH (scores 2, 3) was not different from the control group.

PMID:34032144 | DOI:10.1177/00034894211018925

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Airway Management in Substernal Goiter Surgery

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Ann Otol Rhinol Laryngol. 2021 May 25:34894211014794. doi: 10.1177/00034894211014794. Online ahead of print.

ABSTRACT

OBJECTIVE(S): To review the experience of 3 hospitals with airway management during surgery for substernal goiter and identify preoperative factors that predict the need for advanced airway management techniques.

METHODS: A retrospective chart review between 2009 and 2017 of patients with substernal goiter treated surgically at 1 of 3 hospitals was perf ormed.

RESULTS: Of the 179 patients included in the study, 114 (63.7%) were female, the mean age was 55.1 years (range 20-87). Direct laryngoscopy or videolaryngoscopy was successful in 162 patients (90.5%), with fiberoptic intubation used for the remaining 17 patients. Thirty-one patients (17.4%) required >1 intubation attempt; these patients had larger thyroids (201.3 g, 95% CI 155.3-247.2 g) than those intubated with 1 attempt (144.7 g, 95% CI 127.4-161.9 g, P = .009). Those who required >1 attempt had higher BMI (38.3, 95% CI 34.0-42.6 vs. 32.9, 95% CI 31.5-34.3, P = .02). Mallampati score was found to be a predictor of >1 attempt, though tracheal compression and tracheal shift were not found to be predictors of >1 attempt, nor was the lowest thyroid extent. BMI was the only independent factor on multivariable logistic regression of needing >1 attempt (odds ratio 1.056, 95% CI 1.011-1.103, P = .015).

CONCLUSIONS: The majorit y of patients undergoing surgery for substernal goiter can be intubated routinely without the need for fiberoptic intubation. Thyroid-specific factors such as lowest thyroid extent and mass effect of the gland on the trachea do not appear to be associated with difficult intubation, whereas classic patient factors associated with difficulty intubation are.

LEVEL OF EVIDENCE: VI.

PMID:34032125 | DOI:10.1177/00034894211014794

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Novel Use of the Buccal Fat Pad for Sinocutaneous Fistulae Closure and a Review of Reconstructive Options

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Ann Otol Rhinol Laryngol. 2021 May 25:34894211014299. doi: 10.1177/00034894211014299. Online ahead of print.

ABSTRACT

BACKGROUND: Sinocutaneous fistulae (SCF) are abnormal communications between the paranasal sinuses and the overlying skin. They may be difficult to manage due to facial geometry, scar contraction, and poor tissue vascularity. We describe a novel use of the buccal flap and review the literature to examine management options for this disease process.

METH ODS: A PubMed/MEDLINE literature search was performed for studies published between January 1, 1950 and April 29, 2020 that describe management strategies for SCF. The clinical record, imaging, and operative reports were reviewed of the case in which the buccal fat flap was used in reconstruction.

RESULTS: A total of 359 articles were retrieved. After removing duplicate articles, non-English studies, animal studies, duplicate articles and studies that mentioned SCF without specific mention of management strategies, 51 articles were reviewed. Management paradigms throughout the articles include (1) removal of infection, (2) ensuring patency of sinus outflow tracts, (3) tensionless multilayered closure using well vascularized tissue, and (4) prevention or minimization of future risk factors for fistula formation.

CONCLUSION: This article informs surgeons on reconstructive options for sinocutaneous fistulae including a novel description of the buccal fat flap.

PMID:34032126 | DOI:10.1177/00034894211014299

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Preoperative Psychological Burdens in Patients with Vestibular Schwannoma

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Ann Otol Rhinol Laryngol. 2021 May 25:34894211018915. doi: 10.1177/00034894211018915. Online ahead of print.

ABSTRACT

OBJECTIVE: To assess preoperative psychological burden in patients with vestibular schwannoma (VS).

METHODS: A total of 100 patients undergoing VS resection between September 2019 and June 2020 completed preoperative psychological screening. The Hospital Anxiety and Depression Scale (HADS) was applied the day before surgery, and a score >14 was consi dered clinically important. Univariate and multivariate logistic regression analyzes were used to identify risk factors associated with increased preoperative psychological stress.

RESULTS: Of the 100 patients who underwent VS resection, 44% were male, with a mean age of 45.9 years. Twenty-two (22%) had HADS scores >14. For the univariate analysis, risk factors associated with elevated psychological burden included time since diagnosis, number of symptoms, headache, vertigo, and nausea and/or vomiting. In the regression analysis, the number of symptoms and greater time from diagnosis to treatment correlated with higher preoperative psychological stress.

CONCLUSION: Nearly 1 in 4 patients with VS experienced clinically significant emotional burden preoperatively. Number of symptoms and greater time from diagnosis to treatment contributed to this psychological burden.

PMID:34032139 | DOI:10.1177/00034894211018915

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Risks and Benefits of Adenotonsillectomy in Children With Cerebral Palsy With Obstructive Sleep Apnea: A Systematic Review

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Objectives/Hypothesis

Assess the risks and benefits of adenotonsillectomy (AT) for obstructive sleep apnea (OSA) in children with cerebral palsy (CP).

Study Design

Systematic review.

Methods

We conducted a systematic review of Medline, Embase, and Cochrane Central Registry from 1946 to 2021. Broad search concepts included cerebral palsy, pediatric, tonsillectomy/adenoidectomy, and sleep. Additional articles were identified by searching reference lists. Studies on the safety and efficacy of AT for OSA management in children with CP were included.

Results

Fifteen articles met inclusion criteria. Articles were classified into one or more of four themes: intraoperative risk (n = 1), postoperative risk (n = 3), postoperative care requirements (n = 6), and surgical outcomes (n = 7). No intraoperative anesthetic complications were reported. Postoperatively, respiratory complications including pneumonia were common and necessitated additional airway management. Following AT, children with CP required close postoperative observation, experienced increased lengths of stay, and had increased odds of unplanned intensive care unit (ICU) admission. Benefits following AT were improvement in OSA as measured by a reduction in obstructive apnea-hypopnea index (OAHI) as well as improved quality of life in some; however, many patients went on to require tracheostomy due to persistent OSA.

Conclusions

Children with CP who undergo AT have a significant risk of developing a postoperative respiratory complication. Realistic counseling of families around increased perioperative risks in this population is imperative and close postoperative monitoring is critical. Many children will obtain a reduction in OAHI, but additional surgical management is often required, including tracheostomy. Further research is needed to determine the best management strategy for OSA in children with CP. Laryngoscope, 2021

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Airway and Swallowing Outcomes Following Laryngotracheoplasty With Posterior Grafting in Children

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Objectives/Hypothesis

Evaluate swallowing and airway outcomes following laryngotracheoplasty with posterior grafting (LTP PCCG).

Methods

Retrospective review of pediatric patients undergoing LTP PCCG from 2016 to 2019 at a tertiary care pediatric hospital. We included demographics, indications, approach, and revision status. We evaluated preoperative and postoperative instrumental and functional swallow evaluations, and we also gathered information on airway outcomes.

Results

Thirty-one patients were included in the study. Median (interquartile range [IQR]) age was 4.0 (2.0, 7.0) years old. Primary indication for surgery was bilateral vocal cord immobility (BVCI) in 11 (35.5%) and posterior glottic stenosis (PGS) in 20 (64.5%). Mean (standard deviation) length of follow-up was 11.0 (8.3) months. Twelve patients had gastrostomy tubes (GT) before surgery, and no patients required placement of GT after surgery. Of the remaining 19 patients, 6 required nasogastric feeding for >4 weeks (average length 1.8 months, longest 3.5 months). At last follow-up, 25 (80.6%) patients were primarily orally fed. Eighteen patients had tracheotomies prior to surgery. No patients without a tracheostomy required placement of tracheostomy before or after surgery and only 1 patient had a tracheostomy at last follow-up. Average time to decannulation was 3.7 months, with surgery-specific success of 87.1% and overall success of 96.8%. Four (12.9%) patients required a m ajor intervention to achieve decannulation.

Conclusion

LTP PCCG is an effective surgical technique to address PGS and BVCI with high decannulation rates. It may cause temporary swallowing dysfunction, but in this series a majority of children were orally fed at last follow-up.

Level of Evidence

IV Laryngoscope, 2021

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Framed and non‐framed robotics in neurosurgery:a ten‐years single‐center experience

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ABSTRACT

Background

Safety, efficacy and efficiency of neurosurgical robots are defined by their design (i.e., framed and non-framed) and procedural workflow (from image to surgery). The present study describes the quality indicators of three different robots in brain and spine surgery.

Methods

This single-center study enrolled 252 patients over a ten-years period. Safety (complication rate) and efficacy (diagnostic yield, pedicle screw placement) were determined. Predictors of workflow efficiency (e.g., skin-to-skin) were evaluated and compared to conventional techniques (neuronavigation, stereotaxy).

Results

All robots showed excellent reliability (97.5-100%) with low complication rates (4.5-5.3%) and high efficacy (94.7-97.7%). Robotics demonstrated a better time-efficiency than neuronavigation. However, there was no shortening of surgery time compared to conventional stereotaxy. Time-efficiency differed significantly between framed and non-framed workflows.

Conclusion

While all neurosurgical robots were reliable, safe and efficacious, there were significant differences in time-efficiency. Procedural workflows should be improved to increase the acceptance of robotics in neurosurgery.

This article is protected by copyright. All rights reserved.

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An improved method for assessing the technical accuracy of optical tracking systems for orthopaedic surgical navigation

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Abstract:

Background

Optical tracking systems (OTS) are essential components of many modern computer assisted orthopaedic surgery (CAOS) systems but patient movement is often neglected in the evaluation of the accuracy. The aim of this study was to develop a representative test to assess the accuracy of OTSs including patient movement and demonstrate the effect of pointer design and OTS choice.

Method

A mobile phantom with dynamic reference base (DRB) attached was designed and constructed. The point registration trueness and precision were evaluated for measurements with both a static and moving phantom.

Results

The trueness of the total target registration error (TTRE) was 1.4 to 2.7 times worse with a moving phantom compared to a static phantom.

Conclusion

The accuracy of OTSs for CAOS applications should be evaluated by measurements with a moving phantom as the evaluation of the TTRE with a static frame significantly underestimates the measurement error.

This article is protected by copyright. All rights reserved.

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Mitochondrial support and local translation of mitochondrial proteins in synaptic plasticity and function

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Histol Histopathol. 2021 May 25:18345. doi: 10.14670/HH-18-345. Online ahead of print.

ABSTRACT

Complex neural and brain functions are executed through structural and functional alterations of synapses and neurons. Neuronal compartmentalization requires neurons to allocate mitochondria and proteins in a spatiotemporal manner to allow their plasticity, function and homeostasis. Importantly, mitochondria are known to interact with and modulate synaptic activities through their ATP supply, calcium buffering and signaling abilities. Over the years, mitochondrial support and local translation (including mitochondrial proteins) at neuronal sub-compartments and their synaptic specializations have been considered critical for maintaining synaptic plasticity and function. Recently, evidence has shown that late endosomes can serve as sites for local translation of mRNAs crucial for mitochondrial integrity and mitochondrial compartments can fuel plasticity-induced local translation. Indeed, failed mitochondrial homeostasis and subsequent synaptic dysfunction are often intricately linked in the malfunction of the central nervous system in synaptic aging and diseases. In this review, I will discuss the critical role of local translation (including mitochondrial proteins) in dendrites, axons and synapses on neuronal/synaptic plasticity and function.

PMID:34032272 | DOI:10.14670/HH-18-345

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Letter to the Editor: Thyroiditis and Thyrotoxicosis After the SARS-CoV-2 mRNA Vaccine

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Thyroid, Ahead of Print.
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