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PubMed1983

Tympanosclerosis of the drum in secretory otitis after insertion of grommets. A prospective, comparative study.

In 193 consecutive children with bilateral secretory otitis, intubation and adenoidectomy were performed on the right ear and paracentesis on the left. Changes in the ear drum were analysed at re-evaluation one to three years after operation. In ears that had been intubated, tympanosclerosis occurred significantly more frequently (48 per cent) than in ears that had not been intubated (10 per cent). The frequency of atrophy of the pars tensa was the same. Of the right ears, 10 per cent were re-intubated, compared with 23 per cent of the left ears. The cause of the increased frequency of tympanosclerosis in the intubated ears must be mechanical, as decreased movements of the drum with inflammatory fibrous hyperplasia impede spontaneous normalization and promote hyalinization and calcification. The hearing was found to be similar in ears with and without tympanosclerosis.

Child↗
PubMed1986

Cryosurgical treatment of tonsillar hypertrophy in children.

Eighteen children with tonsillar hypertrophy and signs of upper respiratory obstruction during sleep have been treated by cryosurgery. Nitrous oxide has been used as the refrigerent and the freezing time has been 3 minutes X 2 on each tonsil, with spontaneous thawing in between. All the children had earlier undergone adenoidectomy without relief on their symptoms. Fourteen children are free of obstruction two years after treatment, 12 after one treatment and two after two treatments. The treatment has been found to be free from complications. Cryosurgery represents an alternative to conventional tonsillectomy in the treatment of upper respiratory obstruction caused by enlarged tonsils in children.

Child↗
PubMed1988

Prospective management of malignant hyperthermia in the otolaryngological patient.

Malignant hyperthermia (MH) is a seemingly rare genetic myopathy. Hypermetabolic crises accompanied by a rise in body temperature to as high as 44 degrees C are its hallmark. These are usually triggered by potent inhalation anesthetics or depolarizing muscle relaxants. Because of the extraordinary risk of death in patients who are at risk, otolaryngologists may be reluctant to operate on these patients. Ten such patients undergoing tonsillectomy and adenoidectomy, myringotomy with ventilation tube insertion, and nasal polypectomy were anesthetized with nitrous oxide, barbiturates, opiates, tranquilizers and non-depolarizing muscle relaxants without complication. The patients were not treated prophylactically with dantrolene. Cardiac monitoring and rectal temperatures were followed. All ten patients had vastus lateralis muscle biopsy performed and subsequent caffeine/halothane contracture studies completed. The contracture study was positive in eight out of the patients studied. No anesthetic or surgical complications were encountered. This study demonstrates that patients at risk of developing MH crisis can have otolaryngologic procedures performed safely while undergoing appropriately selected general anesthesia.

Anesthesia, General↗
PubMed1990

A long term view of myringoplasty in children.

Fifty-nine type 1 tympanoplasties in children under 14 years of age were assessed by recall to a special follow-up clinic up to 15 years post-operatively. Overall 78 per cent of tympanic membranes were found to be intact with a late failure of grafts noted in 6 per cent of cases. An improvement in the audiological threshold was found in 51 per cent, 24 per cent were unchanged, the remaining 25 per cent suffered a deterioration which was seen both immediately post-operatively and thereafter until reviewed in the special clinic. The age at operation, size of the perforation, grade of surgeon carrying out the operation and prior adenoidectomy had no statistically significant influence on the success rate or the audiological outcome. Revision procedures achieved similar graft take rates to the initial procedures but fared worse audiologically. We conclude that in the majority the operation was successful but hearing gain was not as good as expected and subject to late deterioration. A long term follow-up is important to detect this and other complications.

Adolescent↗
PubMed1992

Foetal warfarin syndrome--a complex airway problem. Case report and review of the literature.

Premature cartilaginous calcification and nasal hypoplasia following first trimester exposure to warfarin are known as the Foetal Warfarin Syndrome (FWS). There are over 40 cases reported in the literature, many of which describe breathing and feeding difficulties in the first few months of life. We report a case where a child had had difficulties breathing and feeding in the first months of life. These had been attributed to nasal hypoplasia. After proper ENT assessment the child benefitted from adenoidectomy. ENT surgeons should be aware of the syndrome as more women of child bearing age are taking warfarin following cardiac surgery and treatment of thromboembolic disease. ENT surgeons may be asked to review these children who often present with airway and feeding problems which have been attributed to nasal hypoplasia.

Calcinosis↗
PubMed1995

Measurement of small tissue volumes using Holden's apparatus.

A reproducible method for the estimation of volumes of small tissue samples was needed to allow comparison of the biological activity of tissue explants and to relate symptom improvement to procedures such as adenoidectomy or polypectomy. Holden's apparatus, which utilizes fluid displacement between two chambers, was compared to displacement in a 20 ml syringe. Two observers made four readings each on 20 tissue samples (range 0.37 to 4.70 ml) using both methods for comparison. A two-way analysis of variance for replicated data gave an F ratio of 0.6885 (df = 19; p > 0.8) for Holden's apparatus, and an F ratio of 1.4307 (df = 19; p > 0.1) for the 20 ml syringe. The standard error of the mean for repeated readings on the same sample by an observer was 0.001 ml for Holden's apparatus and 0.014 ml for the syringe method. For accurate estimation of small tissue volumes within 0.01 ml we recommend Holden's apparatus.

Adenoids↗
PubMed1997

The evaluation of velopharyngeal function using flexible nasendoscopy.

Nasendoscopy is an essential tool in assessing the dynamic function and structure of the velopharyngeal sphincter during speech and swallowing. Flexible fibre-optic nasendoscopy has been used by the cleft palate team at Withington Hospital, Manchester since 1989. Seventy-six patients were referred between 1989 and 1994 for evaluation of velopharyngeal function during speech. Flexible nasendoscopic evaluation was attempted in 50 patients, and successfully carried out in 43 patients. The age range was four years to 77 years (mean 21 years). The patients were divided into two groups: Group 1 consisting of patients with cleft palate and Group 2 comprised of patients with non-overt cleft palate-related velopharyngeal dysfunction of various aetiologies; such as, submucous cleft, post-tonsillectomy, post-adenoidectomy, neurological and post-traumatic. Based on the findings on nasendoscopy, videofluoroscopy and clinical speech/voice analysis the following treatment options were recommended: 17 (40 per cent) for pharyngoplasty, five (11 per cent) for revision pharyngoplasty, 15 (35 per cent) for speech therapy, four for an obturator and one for tonsillectomy. Two previously undetected submucous clefts were diagnosed.

Adolescent↗
PubMed1998

ENT day surgery in England and Wales--an audit by the Royal College of Surgeons (Eng.) Comparative Audit Service.

An audit of day surgery was carried out by the Royal College of Surgeons (Eng.) Comparative Audit service. Data from 121 respondents on over 3,962 day cases were analysed from both retrospective information and from prospective individual patient proformas. The day surgery rate is 31 per cent. The variability of facilities for day-surgery, the timing of lists, type of anaesthetic used and case-mix are discussed. Outcome and the reasons for admission to an overnight bed are analysed. The overall admission rate was found to be 2.8 per cent (range 0.6-19.5 per cent between consultants). Seventy per cent of ENT day-surgery was performed on morning lists which have a lower admission rate than afternoon lists. The main reasons for admission are vomiting 30 per cent, haemorrhage 20 per cent and inadequate recovery from anaesthetic 22 per cent. A more detailed analysis of reasons for admission were given for tonsillectomy, adenoidectomy, FESS, and grommets. Recommendations are given which might increase the scope of safe day-surgery and reduce admission rate.

Aged↗
PubMed1999

Tympanostomy in young children with recurrent otitis media. A long-term follow-up study.

A total of 305 children, five to 16 months of age, were treated from 1983-1984 with ventilation tubes-Shah vent Teflon tube-inserted under local anaesthesia for recurrent acute otitis media (RAOM) or otitis media with effusion (OME). The final study group comprised 281 children (92.1 per cent) monitored prospectively for five years, 185 in the OME-group and 96 in the RAOM-group. For the first insertion of tubes the average ventilation period was 15.4 months. Re-tympanostomy, with adenoidectomy simultaneously at the first time was performed in 99 ears (35.2 per cent); once in 27.0 per cent, twice in five per cent, and three times in 3.2 per cent. Mastoidectomy due to otorrhoea was performed in three ears (1.1 per cent). The children in the OME-group were at higher risk of repeated post-tympanostomy otorrhoea episodes than children in the RAOM-group. These episodes of otorrhoea during the first insertion of ventilation tubes significantly increased both the tube extrusion rate and the need for subsequent re-tympanostomies. No major complications were caused by the tympanostomy procedure as such. It is concluded that early tympanostomy is a safe procedure in young children with RAOM or OME. However, parents should be carefully informed of risks of post-tympanostomy otorrhoea and recurrent disease after insertion of ventilation tubes necessitating subsequent tube insertion, especially in children with OME.

Female↗
PubMed1984

Ciliary beat frequency of human middle-ear mucosa measured in vitro.

Brush biopsies from the middle-ear (ME) and nasal mucosa were taken from a 4-year-old girl with complete situs inversus, recurrent otitis media and tonsillitis, who underwent tonsillectomy, adenoidectomy and bilateral myringotomy with insertion of ventilation tubes. Ciliary beat frequencies (CBF, Hz.) of the ME and nasal samples, measured by a photoelectric system equipped with a fiber-optic probe, were 9.5 Hz. (+/- 1.2) and 13.7 Hz. (+/- 4.1) respectively. These values are similar to CBF of nasal samples obtained from normal subjects. In vitro CBF assessment is a useful investigative tool for the study of mucociliary activity in the ME, as in patients suspected to have ciliary dyskinesia syndrome.

Cell Movement↗
PubMed2006

Blood splash from different diathermy instruments during tonsillectomy.

OBJECTIVE: To compare the potential risk of blood contamination of the surgeon's conjunctiva during tonsillectomy using disposable bipolar diathermy and reusable monopolar diathermy. DESIGN: A prospective, single-blind, randomized, controlled trial. METHODS: Elective tonsillectomy was performed using either disposable bipolar diathermy or reusable monopolar diathermy. The operating surgeon wore a ViewsafeTM protective eyeshield which was later examined under an operating microscope by a blinded observer and the number of blood spots counted. RESULTS: One hundred and sixty-eight patients were enrolled. The relative risk of conjunctival contamination of the surgeon using disposable bipolar diathermy was 2.8 times that with reusable monopolar diathermy (chi-squared test, p < 0.0005). A previous history of peritonsillar abscess and additional adenoidectomy were associated with increased blood splatter. CONCLUSION: The use of disposable bipolar diathermy for haemostasis during tonsillectomy poses a greater risk of conjunctival contamination for the surgeon than using reusable monopolar diathermy.

Adolescent↗
PubMed2006

Post-operative complications of cochlear implantation in adults and children: five years' experience in Maastricht.

Although cochlear implantation is considered a safe method of rehabilitation for profoundly deaf individuals, a number of these patients suffer complications after surgery. To evaluate post-operative complications after cochlear implantation, a retrospective chart review was performed for 112 patients who had undergone implantation in the Maastricht Academic Hospital. Minor complications were defined as those that could be overcome by medical or audiological management. These occurred in 36 patients (32 per cent) and all were managed successfully. Major complications were defined as device extrusion and those requiring further surgery, and these were identified in four patients (3.6 per cent). These complications included wound infection and device failure mediated by middle-ear pathology. In cases of chronic otitis media, we recommend performance of cochlear implantation as a staged procedure. In order to reduce the post-operative incidence of acute otitis media, we recommend adenoidectomy, placement of ventilation tubes and early antibiotic treatment.

Acute Disease↗
PubMed1998

The effects of a hospital staff training program on the treatment practices of postoperative pain in children under 8 years.

The widespread use of day case surgery for minor operations in children places increased emphasis on home care, parental responsibility and attention to suitable analgesia. This study evaluated a training program for doctors and nurses on postoperative analgesia in children by following up parental perceptions of pain relief after discharge. The main objective of our study was to determine the effects of a training program on treatment practices in the hospital and on the home care instructions provided. The study was carried out in two phases. A questionnaire was sent to parents of children aged under 8 years who had undergone a minor otorhinolaryngological operation (tonsillectomy, adenoidectomy, irrigation of maxillary sinus, insertion of grommets, or paracentesis) at the Day Case Unit in Kuopio University Hospital. The parents of 115 children returned the questionnaire in the preintervention study and those of 112 children in the postintervention study (response rates: 79% and 86% respectively). The training program for personnel (intervention) was organized between the two studies. It started with a one-hour lecture on postoperative pain and pain treatment in children, and the lecture was followed by two weeks of bedside teaching. The overall standard of pain treatment in the hospital was good. Most of the children had no pain or only mild pain on discharge (93% before the intervention and 90% after the intervention). The intervention had no effect on the likelihood of children receiving pain medication. Noticeable changes occurred in the selection of pain medicines and dosage forms, and in the increased number of home care instructions provided for parents. We conclude that the training program for both professional groups (doctors and nurses) can be beneficial in changing the treatment practice (especially the use of medicines and dosage forms). Such training programs also make it possible to emphasized the importance of proper instructions for home care and thus to improve the quality of information provided for parents.

Analgesics↗
PubMed2000

Analysis of epsilon germline transcripts and IL-4 mRNA expression in the adenoids suggests local IgE switching.

BACKGROUND: We have previously observed more frequent occurrence of IgE+ and FcepsilonRI+ cells in adenoids of atopic than nonatopic children. To investigate the hypothesis that the adenoids are involved in IgE production, we analyzed the levels of epsilon germline (epsilonGL), IL-4, and IFN-gamma transcripts in the adenoids in relation to atopy and presence of ear disease. METHODS: Adenoidectomy was performed on 19 atopic and 18 nonatopic children (median age 5 years, range 2-12 years) suffering from otitis media with effusion (OME) (n = 16) or obstructive adenoids hyperplasia (AH) (n = 21). The levels of epsilonGL transcripts, IL-4, and IFN-gamma mRNA were analyzed by competitive reverse transcriptase-PCR. RESULTS: EpsilonGL transcript levels in the adenoids were found to be dependent on IL-4 mRNA expression (P < 0.01) and serum IgE levels (P < 0.05) (R2 = 0.32, n = 37). IL-4 mRNA expression was associated with epsilonGL transcript levels (rs = 0.32, P = 0.05, n = 37), especially among patients with AH (rs = 0.53, P = 0.01, n = 21). No significant differences in IL-4 and IFN-gamma mRNA levels were observed between the groups. CONCLUSIONS: This study supports an IL-4-induced class switch to IgE production in the adenoids that might be of importance for inflammatory reactions in the upper respiratory tract.

Adenoids↗
PubMed2000

Recovery characteristics of sevoflurane or halothane for day-case anaesthesia in children aged 1-3 years.

BACKGROUND: Our objective was to compare the recovery characteristics of sevoflurane and halothane for short day-case anaesthesia in a specifically limited age group of children 1-3 yr. METHODS: Eighty unpremedicated children undergoing day-case adenoidectomy were randomly assigned to receive inhalational induction with either sevoflurane 8% or halothane 5% and nitrous oxide in oxygen (70/30) via a face mask. Tracheal intubation was performed without a muscle relaxant. Anaesthesia was continued with the volatile anaesthetic, adjusted to maintain heart rate and blood pressure within +/-20% of initial values. Recovery was evaluated using a modified Aldrete score, a Pain/Discomfort scale and by measuring recovery end-points. A postoperative questionnaire was used to determine the well-being of the child at home until 24 h after discharge. RESULTS: Emergence and interaction occurred significantly earlier after sevoflurane than halothane but discharge times were similar. More children in the sevoflurane group achieved full Aldrete scores within the first 30 min after anaesthesia, although this group suffered more discomfort during the first 10 min. The amount of postoperative analgesic administered was higher and the first dose given earlier in the sevoflurane group. Postoperative vomiting was more common with halothane, but side-effects in the two groups were otherwise similar in the recovery room and at home. CONCLUSIONS: In children 1-3 yr, sevoflurane provided more rapid early recovery but not discharge after anaesthesia of <30-min duration. Apart from more vomiting with halothane and more discomfort during the first 10 min after awakening with sevoflurane, the quality of recovery was similar with the two anaesthestics.

Ambulatory Surgical Procedures↗
PubMed1996

Abundance of intraepithelial gamma delta T cells in hypertrophic obstructive but not in chronically infected adenoids.

Using quantitative morphometric analysis of immunohistochemically stained tissue sections we compared hypertrophic obstructive adenoids (HOA, n = 10) from children without middle ear disease with chronically infected adenoids (CIA, n = 10) from children with middle ear disease. gamma delta T cell receptor (TCR)+ cells constituted the dominating T cell population in the surface epithelium of HOA, while alpha beta TCR+ cells were the dominating intraepithelial T cell population in CIA. Intraepithelially CD8+ cells dominated over CD4+ cells in both diseases. Intraepithelially B cells were not detected. The cellular composition of follicles, with B cells dominating followed by activated CD4+ alpha beta TCR+ cells, was the same in both groups. However, the number of follicles in CIA was twice as many as in HOA. In the deeper interfollicular areas granulocytes were more abundant in CIA than in HOA. The latter two findings suggest a more pronounced inflammatory response in the adenoids of patients with middle ear disease. There was no significant difference with regard to pathogenic bacterial strains colonizing the adenoid surface when comparing the two patient groups. These results suggest that in patients with HOA gamma delta TCR+ T cells help to maintain the integrity of the surface epithelium, thereby preserving its protective function. On the basis of our results we speculate that CIA have a malfunctioning defence, thereby facilitating long-standing infections deep in the adenoid. This may be the main reason for development of middle ear disease and an indication for adenoidectomy in patients with CIA.

Adenoids↗
PubMed2003

The role of ventilation tube status in the hearing levels in children managed for bilateral persistent otitis media with effusion.

The study determined the effects on hearing of the status of ventilation tubes, using a combination of otoscopy and tympanometry to determine function, in children managed for bilateral persistent otitis media with effusion (OME). The subjects were aged between 3.5 and 7 years and had a documented history of bilateral OME over a 12-week watchful waiting period associated with a hearing impairment in both ears of >or= 20 dB HL. The children reported are those randomized to the two surgical arms, both of which had bilateral myringotomy, aspiration of middle ear fluid and insertion of Shepard ventilation tubes. One arm furthermore received adenoidectomy. The data were analysed 'as treated' to document therapeutic progress. Tubes confirmed to be functioning on otoscopy and tympanometry only partially alleviate the conductive impairment associated with childhood OME (AC mean 12 dB HL, SD 4; ABG 13 dB, SD 7, 3 months post operation). Thus, children with a functioning ventilation tube cannot be considered to have 'normal' hearing. Once the tube has extruded, ears that no longer have OME still have a small conductive hearing impairment (at 12 months AC 14 dB HL, SD 6; ABG 16 dB, SD 9) but this improves with time. In children with bilateral tubes, both remain functioning for a median duration of 21 weeks (IQR 10-40) and at least one for a median of 40 weeks (IQR 24-61). Tube blockage significantly (P = 0.001) increases the risk of extrusion (84% versus 44%). When inserted in children between 3.5 and 7 years for OME, the otoscopic incidence of tube infection is low (1%).

Acoustic Impedance Tests↗
PubMed2002

Activated T cells in the surface secretion on the adenoid--a flow cytometric study.

We previously demonstrated the presence of leucocytes in the adenoid surface secretion with the ability of immunoglobulin A (IgA), IgM and IgG production as well as production of cells with phagocytic capacity. In the present study, we investigated the presence of activated T cells in the secretion. Adenoid surface secretion from 12 children subjected to adenoidectomy was obtained with an imprint method. From six children, peripheral blood was also obtained. By flow cytometry, the number of lymphocytes, granulocytes, epithelial cells and red blood cells was analysed as well as the expression on lymphocyte subsets of the following antigens: CD3, CD4, CD8, CD19, CD25, CD38, CD45RO, CD45RA, HLA-DR, TcRgd, CD161 and l-selectin. The majority of T cells were activated and to a significantly higher degree were CD45RO+, CD161+ and l-selectin-, as compared with the corresponding peripheral blood. The median percentage of B cells and T cells in the secretion were 81 and 13%, respectively. In conclusion, the proportion of B and T cells in the adenoid surface secretion is significantly different as compared with the peripheral blood. The T cells in the adenoid surface secretion are to a high degree activated. The results suggest that the leucocytes in the surface secretion are part of the mucosal defence.

Adenoids↗