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PubMed2006

Association between primary nocturnal enuresis and habitual snoring in children.

OBJECTIVES: Nocturnal enuresis has been associated with obstructive sleep-disordered breathing mostly in hospital-referred adults and children. To investigate whether primary nocturnal enuresis is significantly associated with habitual snoring in the general pediatric population irrespective of subjects' age and sex, we studied children attending six randomly selected schools in a city in central Greece. METHODS: A questionnaire regarding the symptoms of sleep-disordered breathing and the presence of nocturnal enuresis (bedwetting for at least one night per week) was answered by the children's parents. RESULTS: A total of 1821 children (age 5 to 14 years; 896 girls) were included in the study. Of these, 135 (7.4%) were snoring more frequently than three nights per week (habitual snorers). The habitual snorers had a history of primary nocturnal enuresis more often than did nonhabitual snorers (7.4% versus 2%; odds ratio 4.00, 95% confidence interval 1.93 to 8.32). The association of primary nocturnal enuresis with habitual snoring remained significant after adjustment for age and sex (odds ratio 3.54, 95% confidence interval 1.68 to 7.44). CONCLUSIONS: In a community sample of children, those with habitual snoring more often had primary nocturnal enuresis than did those without snoring.

Adolescent↗
PubMed1999

Snoring, obstructive sleep apnea, and surgery.

Snoring and OSA syndrome are prevalent and important causes of sleep disturbance. Snoring, historically considered to be only a habitual annoyance, has significant physical and social consequences. OSA is now considered to be a major public health concern with significant morbidity and mortality. CPAP is considered the treatment of choice for OSA syndrome, but poor patient acceptance and compliance remain problematic. Surgical procedures have been developed to alter the offending anatomic abnormalities responsible for OSA. Identification of the offending anatomic site with application of the most appropriate surgical procedure is essential for effective surgical treatment of OSA. When the region of the retropalate is correctly identified as the site of obstruction, UPPP can effectively treat OSA in a majority of patients. Surgical correction of nasal obstruction is advocated in conjunction with sleep apnea surgery when nasal obstruction exists. In OSA patients with retrolingual airway obstruction, a number of surgical procedures have been performed, with or without UPPP, with some improvement over UPPP alone. MMO has been effective in the treatment of OSA in patients with significant retrolingual airway obstruction with contributing skeletal abnormalities and in patients who have failed multiple other surgical procedures. MMO, however, is a procedure of considerable magnitude, requiring extensive oromaxillofacial surgical expertise. MMO is likely appropriate only in a limited number of patients. Tracheostomy is completely effective in the treatment of OSA syndrome but is undesirable to patients and is associated with significant physical and emotional morbidity. Nonetheless, tracheostomy can be lifesaving and remains an option for patients with severe OSA with serious associated cardiovascular complications, who cannot tolerate CPAP, and for whom other interventions are ineffective or unacceptable. Effective surgical treatment of snoring has been accomplished with UPPP and LAUP. LAUP is less invasive, less morbid, more cost-effective, and better tolerated and is likely the most appropriate procedure for debilitating symptomatic snoring. Currently, LAUP is not recommended for the treatment of OSA, despite some efficacy in patients with mild OSA. Exclusion of OSA in patients undergoing LAUP for snoring is important.

Airway Obstruction↗
PubMed1985

Snoring and cerebral infarction.

The association of snoring with cerebral infarction was tested in a case-control study of 50 male patients with cerebral infarction and 100 male patients with other disorders. Cerebral infarction was significantly associated with habitual (almost always or always) snoring; the risk ratio of cerebral infarction between those who did and did not snore habitually was 10.3 (95% confidence limits 3.5-30.1). The corresponding risk ratio was 2.8 (95% CL 1.3-5.8) for snoring often, almost always, or always compared with snoring occasionally or never, but the association was still significant. The association was also found when age and body mass index were taken into account.

Adult↗
PubMed2003

Evaluation of palatal snoring surgery in an animal model.

OBJECTIVE: We introduce an animal model to reproduce and measure palatal snoring and to assess the effectiveness of cautery-assisted palatal stiffening operation and injection snoreplasty versus a control (no palatal intervention) on treatment of palatal flutter snoring. Study design and setting An anesthetized laboratory canine model uses 2 simultaneous temporary tracheotomies. An inferior tracheotomy is cannulated with an endotracheal tube for ventilation. A superior tracheotomy is cannulated with a tube passed cephalad and seated in the hypopharynx. Negative pressure applied to the upper tube leads to partial collapse of the upper airway with palatal fluttering, and the anesthetized dog snores. Videostroboscopy records palatal flutter frequency before and after surgical intervention. Preoperative and postoperative palatal assessments are made on 15 beagles. RESULTS: Cautery-assisted palatal stiffening operation and injection snoreplasty objectively stiffen the canine soft palate with diminished snoring compared with controls. Conclusion and significance We provide a reproducible animal model to experimentally measure new interventions to treat palatal flutter snoring.

Animals↗
PubMedDate not supplied

Reduction in snoring with phosphocholinamin, a long-acting tissue-lubricating agent.

The efficacy of a long-acting lubricating and coating agent, phosphocholinamin, in reducing snoring was tested in 12 persons, six of whom received the agent as nose drops and six of whom received a placebo (tap water nose drops). In all subjects, the noise level was measured continuously by using a microphone taped near the cricothyroid notch. In the group treated with phosphocholinamin, the maximum nocturnal decibel level was reduced by a mean +/- SD of 13 +/- 3%, and the snoring index (defined as the number of snores per hour of sleep) was reduced by 25 +/- 12%. In the group treated with placebo, the maximum nocturnal decibel level increased 9 +/- 22% and the snoring index increased 1 +/- 20%. The differences between the two groups were statistically significant (P less than .05). It is concluded that phosphocholinamin can provide a useful medical alternative in the treatment of snoring and that further trials of this agent are indicated.

Administration, Intranasal↗
PubMed1986

Surgery of snoring.

Habitual, loud snoring is common in the adult population, and may be the only symptom of the more serious Obstructive Sleep Apnoea syndrome. We report here our results of uvulo-palato-pharyngo-plasty (UPPP), with or without nasal surgery, for snoring. Quantitative grading of the severity of the snoring shows that all patients were cured of symptomatic snoring, but that snoring was not altogether abolished in all patients.

Adult↗
PubMed1998

The relation between tonsillectomy and snoring.

The aim of this study was to determine the relation between snoring and tonsillectomy. The grossly enlarged tonsils of a heavily snoring child or adult with upper airway obstruction is usually sufficient indication for tonsillectomy. The authors wondered if tonsillectomy could affect snoring, no matter what the age and the indication for surgery. One thousand people took part in this study: a random sample of patients aged between 2 and 89 years of age, and those accompanying them in the ENT outpatients. The prevalence of snoring was 12.5-48%, mainly in men. The degree of snoring was graded from non-snorers to mild, moderate and severe snorers. In 19.8% of the sample tonsillectomy had already been performed, usually in childhood. The authors conclude that tonsillectomy does not reduce the likelihood of becoming a snorer.

Adolescent↗
PubMed1999

Objective benefit of laser palatoplasty for non-apnoeic snoring.

Laser palatoplasty (LPP) is widely used for the treatment of non-apnoeic snoring, despite the lack of objective data supporting its use. We report measurements of snoring in a prospective study of LPP, and we compare the results with a previous study of uvulopalatopharyngoplasty (UPPP). Twenty patients with an apnoea/hypopnoea index < 20 h-1 underwent LPP for habitual snoring. Overnight sound recordings were compared before and 6 months after operation using three objective indices; L, (the level exceeded by the loudest 1% of sound), L5 (the level exceeded by the loudest 5% of sound) and P50 (% total sleep time above 50 dBA). The subjective impression of snoring severity (Wilcoxon test, P < 0.001), and objective indices L1 and P50 (t-test, P < 0.001) showed significant reductions after LPP. The mean change in L1 was 4.2 dBA, comparable to that we previously reported for UPPP, while P50 was reduced to less than one-third its preoperative value. No other sleep variables changed significantly following LPP. We conclude that LPP results in reduced snoring volume comparable to that following UPPP.

Acoustics↗
PubMed2003

A comparison of physician and patient perception of the problems of habitual snoring.

Assumptions are often made by doctors about the nature of the impact of uncomplicated snoring. The aim of this study was to provide a comprehensive view of the problems experienced by snoring patients, and to compare these with the perceptions of otolaryngologists. Part 1: 121 snorers and 419 otolaryngologists completed open-ended problems lists; Part 2: 56 snorers and 63 matched controls completed a mood questionnaire and the Golombok Rust Inventory of Marital State (GRIMS.) There was a clear agreement between snorers and otolaryngologists that sleep-related difficulties comprise the most frequent category of problems that may result from snoring. Snorers report a significantly greater number of physical problems and significantly fewer relationship problems than perceived by otolaryngologists. GRIMS scores were similar in patients and controls. Snorers, however, were significantly more depressed. Doctors appear to address snoring from the twin perspectives of damaged relationships and possible sleep apnoea. Their patients are more concerned about disturbing the sleep of others, and are subject to low mood. The snorers' 25 different responses are now being used as the basis for a Snoring Symptom Index.

Attitude↗
PubMed2000

The role of habitual snoring and obesity in the development of diabetes: a 10-year follow-up study in a male population.

OBJECTIVES: There are many similarities between diabetes (mainly type 2) and sleep breathing disturbances regarding risk factors, anthropometric criteria and consequences of morbidity and mortality. The aim of this study was to investigate whether the association between habitual snoring and diabetes is entirely dependent on obesity. DESIGN: A population-based prospective study. SETTING: The municipality of Uppsala, Sweden. SUBJECTS AND METHODS: In 1984 and in 1994, 2668 men aged 30-69 years at baseline answered questionnaires concerning sleep breathing disturbances and somatic diseases. RESULTS: Of those with habitual snoring in 1984, 5.4% reported that they had developed diabetes during the 10-year period compared with 2.4% of those without habitual snoring (P < 0.001). Amongst obese snorers, 13.5% developed diabetes compared with 8.6% of obese non-snorers (P = 0.17). In a multiple logistic regression model, the odds ratio (95% confidence interval) for development of diabetes was higher in obese snorers [7.0 (2.9-16.9)] than in obese non-snorers [5.1 (2.7-9.5)] after adjustment for age, weight gain, smoking, alcohol dependence and physical inactivity. CONCLUSIONS: We conclude that, in males aged 30-69 years, habitual snoring is associated with an increased incidence of diabetes within 10 years. Although obesity is the main risk factor for developing diabetes, coexistent habitual snoring may add to this hazard.

Adult↗
PubMed1999

Intensity of snoring in patients with sleep-related breathing disorders.

The intensity of snoring was measured in 73 patients with snoring or sleep apnea using a noise meter. The mean intensity of snoring at 50 cm in front of the mouth was 61.7 dB in the supine position and 53.7 dB in the lateral position. There existed a definite correlation between the logarithmic transformation of the intra-esophageal pressure amplitude and the intensity of snoring in the supine and lateral decubitus positions. These findings suggest that the intensity of snoring may be a useful index for sleep-related breathing disorders.

Adult↗
PubMed2002

Radiofrequency versus LAUP for the treatment of snoring.

OBJECTIVE: To compare efficacy and tolerance of controlled temperature radiofrequency and laser-assisted uvulopalatopharyngoplasty (LAUP) for the treatment of snoring. METHODS: This was a prospective, nonrandomized study on 30 patients who snored. All patients had a sleep night study. Only patients with simple snoring or mild sleep apnea and soft palate obstruction were included. Efficacy was subjectively evaluated by the bed partner 2 months after the last treatment. Tolerance was estimated daily by the patient during 18 first postoperative days. Discomfort, pain, medication intake, diet, and number of days off from work were assessed. RESULTS: Both treatments were effective on snoring. Mean discomfort and pain as well as mean intake of analgesics were significantly greater with laser-assisted uvulopalatopharyngoplasty. CONCLUSION: Controlled temperature radiofrequency was as effective as laser-assisted uvulopalatopharyngoplasty on snoring on a short-term basis but was better tolerated.

Disorders of Excessive Somnolence↗
PubMed2006

A thermoplastic mandibular advancement device for the management of non-apnoeic snoring: a randomized controlled trial.

This randomized, controlled, crossover trial assessed the effectiveness of an adjustable, thermoplastic, mandibular advancement device (MAD), the TheraSnore, in the management of non-apnoeic snoring. Twenty-three adults who had been referred for a MAD wore the appliance in both a non-advanced and advanced position for 4-6 weeks: the starting position of the MAD was randomized. The outcomes were assessed at baseline and after each phase of MAD wear using questionnaires [(Epworth Sleepiness Scale, snoring history, sleep disturbance, side-effects of the appliance) and a visual analogue scale (daytime sleepiness)]. Eleven subjects had overnight sleep studies at baseline and with the appliance in each position to assess snoring frequency (snores/hour), oxygen saturation, and apnoea hypopnoea index. Supine radiographs were used to examine the oropharyngeal airway at baseline and in response to both appliance positions. In comparison with the non-advanced appliance, the advanced MAD reduced the snores per hour from a median of 398 to 17 (P = 0.002). Sleeping partners reported a marked improvement in their own daytime tiredness (P = 0.002) and sleep disturbance (P = 0.001) when the subject wore the active appliance. The most common side-effect was a dry mouth and 64 per cent of subjects considered the appliance bulky. Radiographic analysis revealed significant vertical opening associated with the appliance and small but significant post-lingual changes with protrusion. The results suggest that the advanced TheraSnore MAD is effective in the treatment of snoring in two out of three non-apnoeic snorers, their sleeping partners derive benefits from this form of treatment, and that complaints of bulkiness and dry mouth may to be related to the inherent vertical opening of the TheraSnore.

Adult↗
PubMed1994

Snoring and risk of stroke and ischaemic heart disease in a 70 year old population. A 6-year follow-up study.

BACKGROUND: A number of studies have demonstrated an association between habitual snoring and cardiovascular morbidity and mortality. Control for the influence of potential confounders has been inadequate. To clarify the issue we examined the association between snoring and future risk of ischaemic heart disease (IHD) and stroke while controlling for the potential influence of major cardio- and cerebrovascular risk factors. METHODS: In all, 804 70 year old males and females were classified according to snoring habits. Alcohol and tobacco consumption, blood pressure, body mass index, social group, plasma lipids (triglycerides, cholesterol, high density lipoprotein), fasting blood glucose, plasma epinephrine and norepinephrine were determined at baseline. RESULTS: Over a 6-year period (1984-1990) 88 suffered an IHD episode, 60 had a stroke and 180 died. A slightly higher stroke incidence was found among snorers (relative risk [RR] = 1.8; (95% confidence interval: 1.1-3.6). When adjustments were made for the above confounders, no associations could be found between snoring and IHD, stroke or all-cause mortality. CONCLUSIONS: In a 70 year old population, snoring is not associated with an increased risk of IHD, stroke or all-cause mortality.

Aged↗
PubMed1996

A reversible uvulopalatal flap for snoring and sleep apnea syndrome.

Velopharyngeal incompetence (VPI) is a recognized complication of uvulopalatopharyngoplasty (UPPP) for obstructive sleep apnea. A new uvulopalatal flap (UPF) technique that modifies the UPPP and reduces this risk is presented. The technique achieves the same anatomic results as the UPPP but is reversible. To evaluate clinical outcomes of this new procedure, selected variables were compared in patients who underwent UPPP and UPF procedures. Eighty patients were examined (59/80 UPF, 21/80 UPPP) in a prospective and consecutive manner. Subjects underwent polysomnography and extensive airway evaluations. The characteristics of all patients, at baseline, were evaluated. The study variables included age, sex, body mass index (BMI), palatal length (PNS P) in millimeters, respiratory disturbance index (RDI), lowest oxygen saturation during sleep and a subjective snoring scale. Sixty-seven of the 80 patients underwent simultaneous hypopharyngeal surgery. Data were analyzed with a SAS program. No statistical difference existed between groups. The postoperative character of the palate and the change in snoring scores were the same in all patients (p = 0.584). A positive correlation existed between improvement in the snoring score and the amount of tissue removed or repositioned in the patients treated with UPF (correlation coefficient = 0.370, p = 0.004). In contrast, there was a negative correlation in the UPPP group for the same parameters (correlation coefficient = -0.195, P = 0.409). This suggests there was a difference between these two groups despite the fact that the baseline and postoperative lengths, as well as tissue removed or repositioned, were equivalent. This further suggests that the UPF may reduce snoring to a greater extent than the UPPP. No significant complications were seen in either group. There was no evidence of VPI, even in the early postoperative period. The new reported procedure is reversible and conservative and reduces the risk of VPI. Snoring is improved, which is consistent with a decrease in airway resistance or obstruction.

Adult↗
PubMed1996

Snoring as part of a dose-response relationship between sleep-disordered breathing and blood pressure.

This report addresses the hypothesis that snoring without significant apneas and hypopneas (simple snoring) is associated with elevated blood pressure and cardiovascular disease (CVD). Data on blood pressure, previously diagnosed cardiovascular disease, and sleep-disordered breathing (SDB) status from a population-based sample of 580 adults was analyzed. Systolic and diastolic blood pressures, adjusted for age, sex, and body mass index, increased stepwise across categories of no SDB, simple snoring, mild, moderate, and more severe SDB (p < 0.05). A similar and significant trend was seen for CVD prevalence. The results provide evidence that simple snoring represents the beginning of the SDB severity spectrum and that simple snoring has a proportionately smaller but, nevertheless, significant, risk for elevated blood pressure and CVD.

Adult↗
PubMed2003

Nonprescription treatments of snoring or obstructive sleep apnea: an evaluation of products with limited scientific evidence.

PURPOSE: To evaluate the level of evidence regarding the safety and efficacy of nonprescription therapies used to treat snoring and obstructive sleep apnea, and form a consensus statement based on available data. REVIEWERS: Members of the American Academy of Sleep Medicine's Clinical Practice Review Committee. METHODS: A search of PubMed database using MeSH terms snore, apnea, and obstructive sleep apnea in August, 2002, including only articles published in English between 1990 and 2002 and of the World Wide Web, using Google search engine and the key words snoring and obstructive sleep apnea. Letters were sent to manufacturers of lubricant oral and nasal products requesting copies of scientific studies to support their claims. RESULTS AND CONCLUSIONS: Given the paucity and quality of scientific literature regarding the nonpharmacologic treatment of snoring and obstructive sleep apnea, members of the Clinical Practice Review Committee had insufficient information to develop standards of practice recommendations. Nevertheless, substantial publicity regarding such treatments is available to the general public. Very limited data are available to support a beneficial effect of these devices on snoring and minimal evidence is available to support their use in treating obstructive sleep apnea. Studies are limited by small numbers of participants and, in some instances, inadequate design, lack of statistical analysis, and sparse use of objective measurements. Many studies do not evaluate product safety, especially over extended use. Physicians may find this information useful in counseling their patients.

Consumer Product Safety↗
PubMed2004

Snoring and progression of coronary artery disease: The Stockholm Female Coronary Angiography Study.

STUDY OBJECTIVES: Snoring is associated with a significant increased risk for acute myocardial infarction and stroke. However, our knowledge of mechanisms is still incomplete. The aim of the study was to investigate the influence of snoring in combination with feelings of tiredness on the 3-year progression of atherosclerosis in women with cardiovascular disease. DESIGN: Repeated quantitative coronary angiograms were carried out with an average time interval of 3.25 years. SETTING: Department of Thoracic Radiology at Karolinska Hospital, Stockholm, Sweden. PARTICIPANTS: The study sample comprised 103 women cardiac patients with repeated, valid, and comparable measurement of quantitative coronary angiograms. MEASUREMENTS AND RESULTS: Absolute luminal diameter (in mm) was measured in 10 predefined coronary segments. Mean segment diameter was calculated as the mean of all diameters measured along a given segment. The change over time was calculated by subtracting the first from the second measurement. Snoring and feelings of tiredness were measured by a short version of the Karolinska Sleep Questionnaire. We found that snoring women, after adjusting for age, waist-hip ratio, smoking, event at hospitalization, education, hypertension and alcohol intake, had a statistically significantly larger progression of atherosclerosis than did nonsnoring women (0.18 mm vs 0.07 mm change; P = .0006). CONCLUSION: Snoring contributes to the atherosclerotic process and should be taken into consideration when treating patients with cardiac disease.

Aged↗