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The effects of adenoid hypertrophy and subsequent adenoidectomy on pediatric nasal airway resistance.

To investigate how adenoid hypertrophy and subsequent adenoidectomy affect pediatric airway resistance, we developed a prospective controlled study. Fifty children, aged 3 to 12 years, diagnosed with adenoid hypertrophy and selected for adenoidectomy, preoperatively had their nasal airway resistance assessed by active anterior rhinomanometry. Twenty-five of these children were subsequently followed up postoperatively, undergoing nasal resistance evaluations at 1 month, 3 months, 6 months, and 12 months. Another 25 children, without chronic upper airway obstruction symptoms, were enrolled as a control group, and their airway resistance was assessed in the same fashion. We concluded that the children selected for adenoidectomy, compared to the control group and before surgery, had mean resistance values up to two- to threefold higher, in both untreated and decongested nose states. Surgery was found to dramatically reduce airway resistance, but only in children under the age of seven. However, the postoperative values still tended to remain higher than the control subjects results. If in a significant number of children the operation failed in completely resolving their complaints, no pre-operative rhinomanometric pattern could be found to specifically relate to a complete surgical success.

Adenoidectomy↗

Speech outcome in cleft palate patients with simultaneous primary palatal repair and adenoidectomy.

This study deals with speech outcome after adenoidectomy performed simultaneously with primary palatal repair. Signs of velopharyngeal insufficiency were registered in the speech of 24 children with cleft lip and palate (CLP) or cleft palate only (CP) who underwent adenoidectomy (Group A+), and in 25 C(L)P children who had no adenoidectomy (Group A-). The results indicated that hypernasality occurred significantly more frequently in Group A+ than in Group A-. Audible nasal air emission also tended to occur more frequently in Group A+. The groups did not differ when it came to articulation errors associated with velopharyngeal insufficiency. The clinical implications of these results are discussed.

Adenoidectomy↗

Use of adenoidectomy and adenotonsillectomy in children with otitis media with effusion.

We conducted a prospective study of 48 children, aged 2 to 14 years, who had persistent bilateral otitis media with effusion, enlarged adenoids, and a bilateral conductive hearing loss. Half of these patients underwent adenoidectomy and the other half adenotonsillectomy. All patients were followed every 2 weeks for up to 6 months. At 2 months postoperatively, the overall success rate in terms of the resolution of middle ear effusion was 85.1%. Success rates were 82.6% in the adenoidectomy group and 87.5% in the adenotonsillectomy group; the difference was not statistically significant. Our findings demonstrate that both adenoidectomy and adenotonsillectomy are effective for the treatment of persistent otitis media with effusion, and they confirm the findings of other studies. Based on our findings and those of other investigators, we offer a four-step approach to the management of these children.

Adenoidectomy↗

[The role of acoustic rhinometry in the evaluation of the volume of nasopharynx before and after adenoidectomy].

OBJECTIVE: To determine the type of acoustic rhinometry curve in different kinds of nasal and nasopharyngeal diseases and the role of acoustic rhinometry in the evaluation of the changes of the volume of nasopharynx before and after adenoidectomy. METHODS: One hundred and fifty-one patients with nasal and nasopharyngeal diseases, including rhinitis, nasal polyps, obstructive sleep apnea syndrome, palatoschisis, atrophic rhinitis, adenoid vegetation, perforation of nasal septum, carcinoma of nasopharynx, and stricture of nasal limen, were measured with acoustic rhinometry. Meanwhile, 15 patients with adenoid vegetation were measured before and after adenoidectomy, the changes in volume recorded by acoustic rhinometry were compared with the adenoid volume obtained by the method of displacement. RESULTS: Acoustic rhinometry curve can be divided into normal and abnormal curves and the abnormal curves can be divided into four types according to the site of changes. Acoustic rhinometry curve altered with the changes in character, degree and site of nasal and nasopharyngeal diseases and could return to normal after surgery or medical treatment. The volume of nasopharynx of adenoid vegetation patients was significantly smaller than that of the normal control and it rose significantly and became closed to normal after adenoidectomy. The volume of adenoid and the calculated changes in volume of the nasopharynx was found to be interrelated and highly significant(r = 0.87, P < 0.001). CONCLUSION: The results indicate that acoustic rhinometry curve is a useful method in the assistant diagnosis and judgment of therapeutic effectiveness of many kinds of nasal and nasopharyngeal diseases and can provide reference for the evaluation of the volume of adenoids.

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Post-adenoidectomy inflammatory pseudotumor.

PROBLEM: Inflammatory pseudotumor is a rare pathology in the head and neck area. Multiple post-adenoidectomy complications have been described in the literature without alluding to such an entity. METHOD: A case report of an inflammatory pseudotumor following an adenoidectomy. MAIN RESULTS: Pseudotumor of the nasopharynx should be added to the list of possible complications of adenoidectomy. CONCLUSION: Inflammatory pseudotumor of the nasopharynx is a rare complication that confronts the otolaryngologist and the pathologist with a diagnostic challenge. Surgical excision remains the best therapeutic option.

Adenoidectomy↗

[Adenoidectomy under indirectly visualization with laryngoscope].

OBJECTIVE: To describe the easy-performed, cost-effective adenoidectomy under indirect laryngoscope visualization. METHOD: Fifty-six patients were undergone adenoidectomy. Intra-operatively, soft palate was retracted with catheter, adenoid was indirectly visualized using laryngoscope and removed with adenoid curette. RESULT: All patients were free of snore postoperatively, conductive hearing loss was improved as well. In addition, hearing threshold was stable in two patients with inner ear malformation postoperatively. The blood loss was 20-50 ml, the surgical time was 5-20 min. No patient complained of blood bleed and other complications postoperatively. CONCLUSION: Adenoidectomy under indirect laryngoscope visualization is easy-performed, cost-effective surgical procedures. As well, it is safe and satisfied with surgeons and patients.

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[Secretory otitis media: current aspects and therapeutic role of adenoidectomy].

The prognostic influence of adenoidectomy on the clinical course of secretory otitis media (S.O.M.) was evaluated in 46 children with abnormal tympanometry, i.e. a flat curve (type B tympanogram) or a middle ear pressure less than 100 mm H2O (type C tympanogram). The children were divided by randomized, blind allocation into one group of 22 subjected to myringotomy with adenoidectomy and another group of 24 subjected to myringotomy without adenoidectomy. All 46 children were followed up by impedance audiometry, pure tone audiometry and otomicroscopy 1, 3, 6 and 15 months after surgery. No significant differences were found between the two groups. Possible pathogenetic mechanisms leading to the development of S.O.M. in the presence of large adenoids are discussed.

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Rhinomanometry at selection for adenoidectomy.

The effect of adenoidectomy in 90 consecutive children was related to nasal obstruction preoperatively in order to improve selection for the operation. Nasal airway resistance was evaluated by anterior rhinomanometry. The adenoidectomy had the best effect on the children with highest nasal airway resistance, after nasal decongestants. Rhinomanometry was found to be a useful method for the selection of children for adenoidectomy.

Adenoidectomy↗

[The effect of adenoidectomy on eustachian tube function].

301 adenoidectomised and tonsilloadenoidectomised children were tympanometrically tested. The control group consisted of 89 children in whom adenoidectomy was to be performed. Eustachian tube dysfunction was analyzed in both groups. By standard statistic methods it was established that the number of Eustachian tube dysfunctions after adenoidectomy is statistically significantly reduced. On the basis of these findings, it can be concluded that well indicated, on time and technically well performed adenoidectomy statistically significantly reduces the number of Eustachian tube dysfunctions and that is why it is justified in therapeutic management of acute and secretory otitis media relapses.

Acoustic Impedance Tests↗

Ablative adenoidectomy: a new technique using simultaneous liquefaction/aspiration.

OBJECTIVE: This study was performed to critically evaluate a new cautery technique for adenoidectomy that combines indirect visualization with complete hemostasis, ultimately permitting the surgeon to tailor the procedure to the patient's specific needs. DESIGN: This prospective study of 138 consecutive adenoidectomy patients of the senior author was carried out at the Montreal Children's Hospital over 17 months. Concurrent adenoidectomy patients of another senior otolaryngologist in our institution as well as cases of the senior author using the conventional cold curettage technique served as controls. METHOD: Data were collected preoperatively with respect to indication for surgery and radiologic findings. Operative findings including duration of surgery, concurrent procedures, position of adenoid hypertrophy, and blood loss were also recorded. Postoperative complications such as hemorrhage, infection, dehydration, as well as the incidence of velopharyngeal insufficiency and nasopharyngeal stenosis were also recorded up to 1 year from the date of surgery. The operative technique involves indirect visualization of the nasopharynx with a laryngeal mirror combined with cautery-liquefaction and suction ablation of the adenoid tissue. RESULTS: Our results demonstrate a significant reduction in blood loss as well as a reduction in operative time. There was a low incidence of postoperative infection, no patients required a return to the operating room for hemostasis, and there were no cases of recurrent adenoid hypertrophy. There was no detectable difference in the incidence of postoperative complications. CONCLUSION: We conclude that this technique is safe and time-efficient, with the advantages of excellent visualization and essentially no operative blood loss.

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Effect of tonsillectomy and adenoidectomy on obese children with sleep-associated breathing disorders.

In children and adolescents there have been only few reports dealing with Obstructive Sleep Apnea (OSA) associated with morbid obesity. We report here on sleep-associated breathing disorders in morbidly obese children and the effect of adenoidectomy and tonsillectomy on sleep-associated breathing disorders. The subjects were 31 children with morbid obesity. The mean patient age was 7.9 years ranging from 2 to 14 years. The percentage of expected body weight ranged from 130% to 260%. All of them had adeno-tonsillar hypertrophy. We undertook the study during the period of natural sleep. Percentage of sleeping period with irregular breathing was determined by means of respisomnogram and the percentage of sleeping period with SpO(2) > or = 90% with a pulse oximeter. The percentage of sleeping period with irregular breathing ranged from 10% to 85% before the operation. In all cases, the irregular breathing period decreased almost to zero after the adenoidectomy and tonsillectomy. The percentage of sleeping period with SpO(2) > or = 90% ranged from 1.7% to 95%. The percentage was related to reduction of body weight and it increased gradually as a result of a diet given as therapy. Our studies reveal that weight control may result in partial cure of sleep-associated breathing disorders. Operations, such as adenoidectomy and tonsillectomy, were remarkably effective in treating sleep-associated breathing disorders of severely obese children with large adenoids and tonsils, even if the severe obesity remained.

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Effectiveness of adenoidectomy and laser tympanic membrane fenestration.

OBJECTIVE: Adenoidectomy alone or with tonsillectomy (A+/-T) is an effective surgical intervention in the management of otitis media in children, especially when it is performed in conjunction with insertion of pressure equalization tubes (PETs). Otorrhea and persistent tympanic membrane (TM) perforation are frequent complications. This study evaluates the effectiveness of intermediate duration middle ear ventilation using laser tympanic membrane fenestration (LTMF) without tube insertion and as an adjunct to adenoidectomy in resolving middle ear disease within the first 90 days after surgery. STUDY DESIGN: This pilot study was a multicenter, prospective clinical cohort trial. Institutional review board approval and informed consent were obtained. The study involved four tertiary care pediatric otolaryngology departments. Fifty children (96 ears) were treated with LTMF in conjunction with A+/-T from June 1, 1998, through March 30, 1999. Ages ranged from 9 months to 12 years. Patients undergoing A+/-T who would have been recommended for PET insertion instead underwent middle ear ventilation with LTMF using the Oto-LAM device (ESC/Sharplan, Yokneam, Israel). Patients were seen at 30, 60, and 90 days postoperatively. Resolution of otitis media with effusion was determined by clinical examination, which included pneumatic otoscopy, audiometry, and tympanometry. RESULTS: Of the treated ears, 88%, 86%, and 83% had clinical resolution of middle ear disease at 30, 60, and 90 days, respectively. Preoperatively, 45% (n = 85) of ears had normal hearing; 92% (n = 49) had normal hearing at 90 days. Eighty-nine percent (n = 92) had type C2 or B tympanograms preoperatively, and 12% (n = 60) had type C2 or B at 90 days. CONCLUSION: Laser tympanic membrane fenestration in conjunction with adenoidectomy was effective in restoring normal middle ear function at 90 days post-treatment in greater than 80% of children who otherwise may have had placement of PETs.

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Child behavior and quality of life before and after tonsillectomy and adenoidectomy.

OBJECTIVE: To determine the relationship between child behavior and quality of life before and after tonsillectomy and adenoidectomy by means of a standardized assessment of child behavior, the Child Behavior Checklist (CBCL), and a validated quality-of-life survey of pediatric obstructive sleep apnea, the OSA-18. DESIGN: Before-after study. SETTING: Hospital-based pediatric otolaryngology practice in a metropolitan area. PARTICIPANTS: Sixty-four children (mean [SD] age, 5.8 [3.1] years; 36 boys, 28 girls) who underwent tonsillectomy and adenoidectomy for treatment of sleep-disordered breathing or recurrent tonsillitis. INTERVENTION: Parents or caretakers completed the OSA-18 and the CBCL for ages 2 to 3 years or 4 to 18 years before surgery and 3 months postoperatively. MAIN OUTCOME MEASURES: The OSA-18 mean survey scores and change scores, and the CBCL total problem T scores and change in total problem T scores. RESULTS: The mean (SD) preoperative OSA-18 score was 3.9 (1.5) and change score was 2.3 (95% confidence interval, 1.9-2.7). The mean total problem score was 7.3 points lower after surgery (95% confidence interval, 4.9-9.7), indicating a significant decrease (P<.001, matched t test). The preoperative CBCL total problem score was consistent with abnormal behavior for 16 children (25%), but only 5 children (8%) scored in the abnormal range postoperatively (P =.03, log-likelihood ratio test). The OSA-18 preoperative mean survey score had fair to good correlation with the preoperative CBCL total problem T score (r = 0.50, P<.001, Pearson correlation), and the OSA-18 change score had fair to good correlation with the change in CBCL total problem T score (r = 0.54, P<.001, Pearson correlation). CONCLUSIONS: Behavioral and emotional difficulties are found in children with sleep-disordered breathing before treatment and improve after intervention. Scores on a standardized measure of assessment of behavior demonstrate significant correlation with scores on a validated quality-of-life instrument.

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Predictive factors for respiratory complications after tonsillectomy and adenoidectomy in children.

OBJECTIVE: To determine risk factors predictive of outcomes to aid in the cost-effective preoperative evaluation and postoperative management of patients who are undergoing tonsillectomy and adenoidectomy for obstructed breathing during sleep. DESIGN: A historical cohort study with a nested case-control analysis that examined risk factors associated with postoperative respiratory complications. SETTING: Children's Medical Center of Dallas, Dallas, Tex, which is a pediatric referral hospital for secondary and tertiary pediatric care with both private and university-appointed physicians. PATIENTS: A convenience sample of 355 patients who were undergoing tonsillectomy and adenoidectomy for obstructed breathing during sleep throughout a 1-year period. INTERVENTION: None. MAIN OUTCOME MEASURE: The occurrence of postoperative complications, including airway obstruction, apneas with oxygen desaturations, airway interventions (e.g., endotracheal intubation), or administration of supplemental oxygen, as they related to associated medical conditions (e.g., cerebral palsy or prematurity) and diagnostic tests (e.g., chest x-ray film and electrocardiogram). RESULTS: Five associated medical conditions (cerebral palsy; seizures; age, < or = 3 years; congenital heart disease; and prematurity) were identified as important predictors of a complicated postoperative course using stepwise logistic regression analysis. Those children with an abnormal chest x-ray film or electrocardiogram were also identified as having an associated medical condition that was predictive of postoperative complications. CONCLUSIONS: Children with 1 or more of the associated risk factors identified should be considered candidates for postoperative inpatient observation. A preoperative chest x-ray film and electrocardiogram were found to be of little predictive value, and they are probably not cost-effective screening tests for postoperative respiratory complications.

Adenoidectomy↗

Resolution of obstructive sleep apnea syndrome after adenoidectomy in congenital central hypoventilation syndrome.

We report on a 2 1/2-year-old boy who is currently ventilated at home by positive pressure ventilation through a nasal mask during the night because of congenital central hypoventilation syndrome (CCHS). Up to age 2 he had developed normally. A reevaluation was performed because of symptoms suggestive of obstructive sleep apnea syndrome (OSAS), including snoring, nocturnal sweating, frequent nighttime awakenings, speech impairment, daytime fatigue, and failure to thrive. A sleep study indicated obstructive apnea episodes lasting up to 40 s and arterial desaturations below 50% during spontaneous sleep. During mechanical ventilation snoring persisted, and capillary PCO2 rose to 60 mm Hg. Partial upper airway obstruction, leaking around the mask, and arousal movements developed on passive flexion of the neck to 20 degrees. After adenoidectomy, symptoms of OSAS resolved. There were no more obstructive apneas during spontaneous sleep, but obstructive apneas could be provoked by neck flexion to 20 degrees. During ventilation, neck flexion of 20 degrees was tolerated, but a 40 degrees flexion led to partial obstruction. In CCHS patients, the problem of upper airway obstruction is rarely noted because most patients are ventilated through a permanent tracheostomy. Today, noninvasive ventilation strategies are becoming more common. Reduced activity of upper airway muscles and impaired reflex mechanisms could lead to upper airway obstruction during face mask positive pressure ventilation in children with CCHS. Enlarged adenoids worsened this problem in our patient, leading to insufficient ventilation and OSAS. Adenoidectomy resolved symptoms of OSAS and enabled successful nasal mask ventilation. Close follow-up of the patient avoided hypoxia and sequelae from OSAS such as pulmonary hypertension.

Adenoidectomy↗

Retropharyngeal and mediastinal abscess following adenoidectomy.

Adenoidectomy is one of the most common surgical procedures in children. On rare occasions it can be complicated by a retropharyngeal abscess (RA). We report the case of a 9-year-old girl with an RA extending to the mediastinum following adenoidectomy. The mediastinal collection was successfully treated with computed tomography-guided percutaneous drainage to avoid extensive surgical procedure. Surgeons should be aware of these dramatic complications and should avoid overzealous surgery in the removal of the adenoid tissue.

Abscess↗

[Propofol for paediatric patients in ear, nose and throat surgery. Practicability, quality and cost-effectiveness of different anaesthesia procedures for adenoidectomy in infants].

BACKGROUND: The aim of this study was an improvement in patient comfort, reduction of anaesthesia costs and room contamination by the use of propofol for adenoidectomy. METHODS: A total of 103 infants (aged 1-5 years) undergoing elective adenoidectomy were randomized for anaesthesia with sevoflurane-nitrous oxide/oxygen (group 1), sevoflurane-air/alfentanil (group 2), alfentanil-propofol under induction with sevoflurane (group 3) or alfentanil-propofol (group 4). RESULTS: Using propofol, postoperative agitation and emesis were significantly less and the anaesthesia costs as well as the need for analgesics was reduced compared to inhalative anaesthesia. CONCLUSIONS: The use of propofol for preschool children undergoing ear, nose and throat (ENT) surgery seems to be advantageous because of less postoperative agitation, emesis and costs.

Adenoidectomy↗

[The use of disposable instruments of a high performance polymer for tonsillectomy and adenoidectomy].

Cases of the new variant Creutzfeldt-Jakob disease (vCJD) in human beings have to be anticipated in Germany. In subclinical vCJD, the accumulation of prions in lymphoid tissue has been identified prior to their manifestation in cerebral tissue. The remarkable resistance of prions to standard methods of sterilisation questions the safety of reusing metallic surgical instruments. The transmission of vCJD via such reusable surgical instruments in tonsillectomies and adenoidectomies cannot be excluded. In this study, 96 tonsillectomies and adenoidectomies were performed with disposable instruments made of a high performance polymer (Aesculap, Tuttlingen). No increase in the number of intra- or postoperative complications was evident. These disposable instruments may represent an alternative to reusable metallic surgical instruments in potentially infected patients or in patients desiring the use of disposable instruments during their operation for safety reasons.

Adenoidectomy↗