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Choanal polyps are unilateral sinonasal lesions that are classified according to their site of origin. The aim of this report is to highlight an unusual form of choanal polyp and to present a thorough literature review. To the best of our knowledge, only 6 cases of a choanal polyp originating in the inferior turbinate have been previously reported in the literature. We describe 2 new cases. One patient was a 14-year-old boy who presented with nasal obstruction, facial headaches, and obstructive sleep apnea; the other patient was a 70-year-old man who presented with right mucopurulent rhinorrhea and right nasal obstruction. In both cases, nasal fibroscopy detected a polyp arising from the right inferior turbinate and extending toward the right choana. Endoscopic sinus surgery was performed in both cases to ensure a complete excision. Cases of choanal polyp arising from the inferior, middle, and superior turbinates and the septum are rare, although some appear to be more common than is generally believed, especially in the pediatric population. We therefore recommend that unusual forms of choanal polyp be included in the differential diagnosis of a unilateral sinonasal mass.
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PMID:The inferior turbinate, an unusual site for a choanal polyp: Two case reports and a review of the literature. 2743 78

Restrictive lung diseases are a heterogeneous group of conditions characterized by a restrictive pattern on spirometry and confirmed by a reduction in total lung volume. Patients with more severe symptoms may have a reduced diffusing capacity of the lung for carbon monoxide. Etiologies can be intrinsic with lung parenchymal involvement, as in interstitial lung diseases, or extrinsic to the lung, as in obesity and neuromuscular disorders. Idiopathic pulmonary fibrosis is a chronic progressive interstitial pneumonia with fibrosis for which treatment is primarily supportive with oxygen therapy, pulmonary rehabilitation, and management of comorbid conditions. Newer drugs for idiopathic pulmonary fibrosis, such as pirfenidone and nintedanib, can slow disease progression. Referral for evaluation for lung transplantation is recommended for appropriate patients. Obstructive sleep apnea and obesity hypoventilation syndrome increasingly are common health issues, with symptoms that can include snoring, daytime somnolence, difficulty concentrating, fatigue, witnessed apneas, and morning headaches. Serum bicarbonate may serve as a biomarker in screening for subclinical obesity hypoventilation syndrome. Preoperative evaluations should assess pulmonary risk in addition to cardiac risk with a thorough history, laboratory tests, and functional capacity assessments. Optimization of management may include weight loss, pulmonary rehabilitation, oxygen therapy, and respiratory support.
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PMID:Respiratory Conditions Update: Restrictive Lung Disease. 2757 33

Obstructive sleep apnea is a common disorder that causes patients to temporarily stop or decrease their breathing repeatedly during sleep. This results in fragmented, nonrestful sleep that can lead to symptoms such as morning headache and daytime sleepiness. Obstructive sleep apnea affects persons of all ages, with an increasing prevalence in those older than 60 years. The exact prevalence is unknown but is estimated to be between 2% and 14%. There are many health conditions associated with obstructive sleep apnea, including hypertension, coronary artery disease, cardiac arrhythmias, and depression. Loud snoring, gasping during sleep, obesity, and enlarged neck circumference are predictive clinical features. Screening questionnaires can be used to assess for sleep apnea, although their accuracy is limited. The diagnostic standard for obstructive sleep apnea is nocturnal polysomnography in a sleep laboratory. Home sleep apnea tests can be performed for certain patients but are generally considered less accurate. Continuous positive airway pressure is the first-line treatment; adherence rates are variable and seem to improve with early patient education and support. Other treatment modalities include weight reduction, oral appliance therapy, and surgery to correct anatomic obstructions, although there is insufficient evidence to support these types of surgeries. Bariatric surgery can improve sleep parameters and symptoms in obese patients with obstructive sleep apnea and can result in remission in many patients.
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PMID:Diagnosis and Treatment of Obstructive Sleep Apnea in Adults. 2758 21

Few studies have evaluated the interaction between conventional complete dentures (CCD) and the respiratory system and the authors are unaware of any that evaluated the interaction between implant-retained overdentures (IROs) and the respiratory system. This clinical report documented the effects of wearing an IRO on the cardiorespiratory stability of an edentulous patient with obstructive sleep apnea (OSA). A 64-year-old woman was referred to the department of otolaryngology because of daytime sleepiness and morning headaches. The patient refused polysomnographic evaluation because of claustrophobia. Overnight pulse oximetry (PO) was performed to detect cardiorespiratory stability during sleep, and the oxygen desaturation index (ODI) of the patient was found to be 20.9. A mandibular advancement device (MAD) was fabricated; however, the patient did not comply with the treatment and stopped using the MAD because of intraoral discomfort. Therefore, the patient started to wear the conventional complete dentures (CCDs) nocturnally to prevent upper airway collapses. Despite the significant drop in ODI score to 12.6, because of displacement, the mandibular denture was converted to an IRO. The PO tests performed after another 6 months revealed an ODI score of 7.8. Wearing CCDs might improve respiratory stability of patients with edentulism during sleep; however, more favorable results could be obtained with IROs.
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PMID:Can nocturnal use of implant-retained overdenture improve cardiorespiratory stability of a patient with obstructive sleep apnea? A clinical report. 2796 49

Each calendar year the Society for Obstetric Anesthesia and Perinatology invites an individual to conduct a review of the medical literature, identifying clinically relevant publications of interest to the obstetric anesthesia provider. This report of that effort covers the publications from 2015 and includes the categories of anesthesia and analgesia, complications of neuraxial procedures, and the effects of anesthesia on the fetus. Neuraxial procedures represent the foundation of obstetric anesthesia; advances in anesthesia and analgesia include novel modes of administration, and refinements in care of the medically complex patient. In addition to labor analgesia, investigations into post-cesarean recovery address challenges in pain control, patients with obstructive sleep apnea, and treatment protocols intended to improve patient care, notably an enhanced-recovery pathway. Because complications are inevitable, this review identifies investigations on the more common complications of neuraxial procedures, such as hypotension, maternal and fetal bradycardia, and post-dural puncture headache. There were several innovative reports attempting to address these complications, including the use of norepinephrine infusion for the prevention of spinal-induced hypotension, ephedrine for the prevention of fetal bradycardia after combined spinal-epidural analgesia, and pharmacologic treatment of post-dural puncture headache. Not all of these treatments were successful. Finally, there are potential effects of anesthesia on the fetal/neonatal brain, much of which remains poorly defined. An analysis of recent papers suggests that epidural fever is not an independent cause of adverse neurologic fetal injury. On the other hand, evidence continues to grow to support the hypothesis that anesthetic drugs impact neonatal neurologic outcome.
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PMID:What's new in clinical obstetric anesthesia in 2015? 2868 43

Obstructive sleep apnoea (OSA) is common in the general population, particularly in the elderly. This syndrome is frequently responsible for severe cardiovascular complications. However, the indications for its treatment in the elderly remain controversial. We report the case of a 79-year-old man with severe, undiagnosed OSA who inhaled his fixed dental bridge during sleep. The inhaled foreign body came to rest in the lumen of the left main stem bronchus. The association of obesity with a body mass index of 30kg/m2, snoring with breathing pauses reported by his partner, nocturia, morning headache and an Epworth score of 11 led to polysomnography which confirmed OSA with an apnoea/hypopnoea index of 53 per hour. This case report emphasises that OSA may constitute a risk fact for foreign body inhalation in elderly subjects due to arousal-induced hyperventilation following the apnoeic event.
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PMID:[The obstructive sleep apnoea syndrome is not only bad for the heart!] 2977 18

Obstructive sleep apnea hypopnea syndrome (OSAHS) is a chronic disorder characterized by repetitive apneas, oxygen desaturation and disruption during sleep. The main clinical manifestations of OSAHS are snores, intermittent hypoxia, morning headache, excessive daytime sleepiness, tired and memory descent. OSAHS affects 3%-20% of the general population. Although commonly accepted as the gold standard for diagnosis of OSAHS, PSG is thought to be time-consuming, labor-intensive, costly and uncomfortable. Evidence from epidemiology indicated that 93% of women and 82% of men with moderate to severe OSAHS have not been clinically diagnosed. An epidemiological survey in Shanghai, China, showed that more than 85% of OSAHS was undiagnosed. Studies showed that undiagnosed OSAHS is independently associated with the increased likelihood of hypertension, cardiovascular diseases, stroke, daytime sleepiness, motor vehicle accidents, and diminished quality of life. Thus, researchers have attempted to develop a simple and effective tool to screen patients with OSAHS, which has been reviewed and summarized in our article.
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PMID:[Screening of sleep apnea syndrome-a review of current situation]. 2987 Oct 55

OBJECTIVE Idiopathic intracranial hypertension (IIH) is a commonly occurring disease, particularly among young women of child-bearing age. The underlying pathophysiology for this disease has remained largely unclear; however, the recent literature suggests that focal outflow obstruction of the transverse sinus may be the cause. The purpose of this study was to report one group's early experience with transverse venous sinus stenting in the treatment of IIH and assess its effectiveness. METHODS The authors performed a retrospective chart review to identify patients who had undergone stenting of an outflow-obstructed transverse venous sinus for the treatment of IIH at Gates Vascular Institute between January 2015 and November 2017. Patient demographic data of interest included age, sex, BMI, and history of smoking, hypertension, obstructive sleep apnea, hormonal contraceptive use, and acetazolamide therapy. Each patient's presenting signs and symptoms and whether those symptoms improved with treatment were reviewed. The average opening lumbar puncture (LP) pressure preprocedure, average pressure gradient across the obstructed segment prior to stenting, treatment failure rate (need for shunt placement), and mean follow-up period were calculated. RESULTS Of the 18 patients who had undergone transverse venous stenting for IIH, 16 (88.9%) were women. The mean age of all the patients was 38.3 years (median 38 years). Mean BMI was 34.2 kg/m2 (median 33.9 kg/m2). Presenting symptoms were headache (16 patients [88.9%]), visual disturbances (13 patients [72.2%]), papilledema (8 patients [44.4%]), tinnitus (3 patients [16.7%]), and auditory bruit (3 patients [16.7%]). The mean opening LP pressure pre-procedure was 35.6 cm H2O (median 32 cm H2O). The mean pressure gradient measured proximally and distally to the area of focal obstruction within the transverse sinus was 16.5 cm H2O (median 15 cm H2O). Postprocedurally, 14 patients (77.8%) continued to have headaches; 6 (33.3%) continued to have visual disturbances. No patients continued to have auditory bruit (0%) or papilledema (0%). One patient (5.6%) had new-onset tinnitus postprocedure. Overall improvement of symptoms was noted in 16 patients (88.9%) postprocedure, with 1 patient (5.6%) requiring shunt placement and 2 other patients (11.1%) requiring postprocedural LP to monitor intracranial pressure to determine candidacy for further surgical interventions to treat residual symptoms. The mean duration of follow-up was 194.2 days. CONCLUSIONS Transverse sinus stenting is a rapidly developing technique that has shown good effectiveness and safety in the literature. Authors of the present study found that stenting a flow-obstructed transverse sinus in patients with IIH was a safe and effective way to treat the condition.
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PMID:Transverse venous stenting for the treatment of idiopathic intracranial hypertension, or pseudotumor cerebri. 2996 86

Migraine shares a complex and poorly understood relationship with sleep. Patients consistently report poor sleep prior to migraine attacks and during them, identifying poor sleep as a migraine trigger. However, anecdotally, sleep is reported to serve a therapeutic role in terminating headache. Are the associations between migraine and sleep simply the result of various bidirectional relationships? A growing body of evidence suggests there may be a common underlying etiology as well. Our objective was to review studies of sleep and migraine from the last 2 decades utilizing validated subjective and objective measures of sleep and to explore potential mechanisms underlying this complex relationship by incorporating recent advances in neuroscience. We specifically focus on insomnia, obstructive sleep apnea, parasomnias, sleep related movement disorders, and REM sleep related disorders and their relationship to migraine. Parts of brainstem-cortical networks involved in sleep physiology are unintentionally being identified as important factors in the common migraine pathway. Recent discoveries on anatomic localization (the hypothalamus as a key and early mediator in the pathophysiology of migraine), common mediating signaling molecules (such as serotonin and dopamine), and the discovery of a new CNS waste removal system, the glymphatic system, all point to a common pathophysiology manifesting in migraine and sleep problems.
Headache 2018 Jul
PMID:Sleep Disorders and Migraine: Review of Literature and Potential Pathophysiology Mechanisms. 3009 Nov 60

The relationship of sleep and migraine is unequivocal and familiarity with the nature and magnitude of these associations may inform clinical practice. Recent prospective, longitudinal, and time-series analysis has begun to unravel the magnitude and temporal patterns of sleep and migraine. Prospective evidence has shown that sleep variables can trigger acute migraine, precede and predict new onset headache by several years, and indeed, sleep disturbance and snoring are risk factors for chronification. The presence of a sleep disorder is associated with more frequent and severe migraine and portends a poorer headache prognosis. Interestingly, the disorders linked to migraine are quite varied, including insomnia, snoring and obstructive sleep apnea, restless legs, circadian rhythm disorders, narcolepsy, and others. Insomnia is by far the most common sleep disorder in headache patients. In fact, the majority of patients with chronic migraine presenting for treatment have insomnia. Despite a rapidly expanding literature, very few controlled treatment studies have been published to guide clinical practice. This paper focuses on clinical assessment and treatment of sleep disorders. An algorithm is presented for sleep disorders management in the migraine patient, which highlights major sleep disorders and psychiatric comorbidity. Diagnostic procedures are recommended that are conducive to clinical practice. Suggested tools include the sleep history, screening mnemonics, prediction equation, and sleep diary. New developments in treatment have produced abbreviated and cost-effective therapies for insomnia and obstructive sleep apnea that may reach a larger population. Revisions in the diagnostic manuals for sleep and headache disorders enhance recognition of sleep-related headache. Recommendations include behavioral sleep regulation, shown in recent controlled trials to decrease migraine frequency, management for sleep apnea headache, cognitive behavioral therapy (CBT) for insomnia abbreviated for the physician practice setting, sleep-related headache trigger, and others. There is no empirical evidence that sleep evaluation should delay or supersede usual headache care. Rather, sleep management is complimentary to standard headache practice.
Headache 2018 Jul
PMID:Sleep and Migraine: Assessment and Treatment of Comorbid Sleep Disorders. 3009 63


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