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PubMed1986

The concurrent associations of group A streptococcal serotypes in children with acute rheumatic fever or pharyngitis-associated glomerulonephritis and their families in Kuwait.

A group of 146 children with acute rheumatic fever and 256 members from their families, and a group of 125 children with post-streptococcal glomerulonephritis and 199 family members, together with a group of 145 children with non-complicated group A streptococcal pharyngitis were examined over a period of three years. The purpose of the study was to explore the concurrent association and distribution of group A streptococcal serotypes among the three groups. Strains isolated from the children with non-complicated group A streptococcal pharyngitis represented the prevalent strains of group streptococci in the childhood community during the period of study. Rheumatic fever was encountered in a non epidemic situation. As expected, the recovery of group A streptococci was low. The strains however belonged mainly to two patterns, namely type M1 and M non-typable strains. Nephritis was pharyngitis-associated and occured also sporadically throughout the year. Types M12 and 49 accounted for the majority of the isolates. Type M12 accounted for 34.4% of the group A isolates from family members of children with nephritis and was totally absent in family members of children with rheumatic fever (p less than 0.001). The T pattern 8/25/Imp. 19 accounted for 40% of the group A isolates from family members of rheumatic patients compared to 3.3% from family members of nephritis patients (p less than 0.005). Data from this study show that the group A streptococcal serotypes, concurrently isolated from children with acute rheumatic fever and their families are disparately different from those of children with pharyngitis-associated glomerulonephritis and their families in the same population. These findings support the concept of "nephritogenicity" and "rheumatogenicity" and indicated the important role of the biological characteristics of the streptococcal serotypes in the aetiology of acute rheumatic fever and acute poststreptococcal glomerulonephritis.

Acute Disease↗

PubMed1997

Cricopharyngeal myotomy and arytenoid adduction in the management of combined laryngeal and pharyngeal paralysis.

Aspiration caused by unilateral combined laryngeal and pharyngeal paralysis is a serious clinical problem. This article reviews the abnormal physiology, which includes glottal incompetence, impaired pharyngeal propulsion, and sensory loss, and reports the results of surgical treatment of, 13 patients who had significant dysphagia and aspiration caused by unilateral laryngeal and pharyngeal paralysis. In eight patients the cause was surgical resection or trauma of the tenth cranial nerve, with concomitant twelfth nerve injury in four. Four patients had central lesions. One patient had a surgical tenth cranial nerve injury as well as a stroke. Thyroplasty, alone in two patients, and combined with cricopharyngeal myotomy in a third, improved voice, but not swallowing. In all patients treated by arytenoid adduction plus cricopharyngeal myotomy, aspiration was eliminated, and patients gained weight. Six of these patients had been dependent on enteral tube feedings. The results support the safety and efficacy of simultaneous arytenoid adduction and cricopharyngeal myotomy for dysphagia caused by combined laryngeal and pharyngeal paralysis.

Adolescent↗

PubMed1984

Early treatment of streptococcal pharyngitis.

The concept of treating presumed streptococcal pharyngitis prior to obtaining throat culture results remains controversial. We review the rationale for early treatment and the predictive ability of current techniques for rapidly estimating the probability of streptococcal pharyngitis. Decision analysis is combined with clinical and microscopic predictive tests to provide an approach for early treatment of presumed streptococcal pharyngitis. Our unified approach supports the treatment of presumed streptococcal pharyngitis prior to obtaining culture results when specific clinical or microscopic criteria are met.

Adolescent↗

PubMed1996

Squamous cell carcinoma of the pharyngeal walls treated with radiotherapy.

PURPOSE: To assess the impact of fractionation schedule, chemotherapy, and tumor location on local control and survival in patients treated with definitive irradiation for carcinoma of the pharyngeal walls. METHODS AND MATERIALS: Between May 1971 and December 1991, 74 patients with previously untreated squamous cell carcinoma of the pharyngeal walls (excluding nasopharynx, tonsil, and pyriform sinus) were treated with radical megavoltage irradiation with or without chemotherapy at Oregon Health Sciences University. RESULTS: Two-year local control rates by stage were: T1: 100%, T2: 55%, T3: 31%, and T4: 29% . Twice-a-day irradiation improved local control rates as compared with once-a-day irradiation for patients with Stage T3 lesions, with 5 out of 7 (71.4%) vs. 4 out of 19 (21%) patients controlled at 2 years (p = 0.015). No improvement was seen in 2-year local control of all stages when chemotherapy was used in conjunction with once-a-day fractionation; however, six of eight patients (75%) treated with twice-a-day irradiation combined with either induction or concurrent chemotherapy had local control. The 2-year local control rate of 100% (6 out of 6) for the group of patients treated with concurrent chemotherapy and b.i.d. irradiation (all with Stage T3 and T4 tumors) is a dramatic improvement over the 2-year local control rate of 30% (10 out of 33) for our entire group of patients with Stage T3 and T4 tumors. Local control rates did not differ by tumor location on the pharyngeal walls. Adjusted disease-specific survival rates by stage were: 1: 100%, II: 85%, III: 58%, IV: 40%. Overall survival rates by stage were: I: 75%, II: 67%, III: 33%, IV: 30%. CONCLUSION: We advocate radical irradiation as the primary therapy for pharyngeal wall carcinomas with the use of twice-a-day fractionation for Stages T2-T4. Our preliminary results with concurrent chemotherapy and b.i.d. irradiation for advanced T3 and T4 tumors appear to be comparable to reported results with hyperfractionated radiation alone. The relative contribution of chemotherapy to b.i.d. irradiation cannot be determined from this small retrospective series; however, in view of the relatively poor results for patients with advanced stage disease, we feel this treatment combination deserves further investigation.

Adolescent↗

PubMed1986

Diagnosis of group A beta-hemolytic streptococcal pharyngitis. Use of antigen detection tests.

Early diagnosis and prompt initiation of antibiotic therapy for group A beta-hemolytic streptococcal pharyngitis can shorten the duration of the clinical illness and reduce the period of infectivity. This in turn may expedite a patient's return to school or day care, as well as a parent's return to work. Antigen detection tests are available that can provide a rapid diagnosis of group A beta-hemolytic streptococcal pharyngitis and can facilitate the prompt initiation of antibiotic therapy. In addition, these antigen detection tests can provide a rapid exclusion of group A beta-hemolytic streptococcal pharyngitis and thereby prevent the initiation of unnecessary antibiotics in patients with nonstreptococcal pharyngitis. However, before throat cultures on blood agar plates are totally abandoned and completely replaced by antigen detection tests, a number of additional studies are needed. The consequences of false-negative and false-positive antigen detection tests need to be determined. The accuracy of the antigen detection test as performed in physicians' offices needs to be compared with traditional culture methods performed in physicians' offices and not with an "idealized" standard. Finally, investigations need to be initiated to determine the impact of different antigen detection tests on the revenues and work flow in various practice settings, as well as their direct impact on patient care.

Anti-Bacterial Agents↗

PubMed1987

Posterior pharyngeal wall schwannoma (case report).

A rare case of a schwannoma localized on the posterior pharyngeal wall is presented. It concerns a young man with an inflammatory ulcerated mass in the posterior wall of the pharynx causing severe difficulty in swallowing. Although schwannomas of the lateral pharyngeal wall are common, only one case located on the posterior wall has been described. The origin of these tumours at this particular site is thought to be the sympathetic nervous plexus of the posterior pharyngeal wall. In presenting our case, we comment on the origin of posterior pharyngeal wall schwannomas.

Adult↗

PubMed1997

Pharyngeal lipoma with cartilaginous metaplasia (chondrolipoma): a case report and literature review.

The relative rarity of pharyngeal lipomas and paucity of clinical manifestations in the early stages of tumour growth conspire to task the diagnostic acumen of the clinician. A high index of suspicion and meticulous examination are essential in order to arrive at the diagnosis, which may be achieved pre-operatively by computerized axial tomography, revealing a mass lesion with a characteristic low attenuation value. A case of pharyngeal chondrolipoma in a 25-year-old male is reported. It is suggested that this conceptually intriguing and rarely encountered lesion can be explained on the basis of neoplastic transformation of the second to fourth pharyngeal cleft mesenchymal rests displaying both adipose and cartilaginous differentiation. Alternatively, the cartilage could represent vestigial remnants of non-neoplastic pharyngeal cleft tissue entrapped within a primarily lipomatous neoplasm. Slow growth may occur over a period of several years, prior to overt clinical manifestation.

Adult↗

PubMed2000

Future trends in breast, cervical, lung, mouth and pharyngeal cancer incidence in Slovenia.

OBJECTIVES: Breast, cervical, lung, mouth and pharyngeal cancers are important public health problems in Slovenia, and in many other Central and South European countries. The aim of this study was to predict the incidence of these cancers in Slovenia up to the year 2009, based on the data of the Cancer Registry of Slovenia for the period 1965-1994 and on the official national population projections for the Republic of Slovenia. METHODS: Age-period-cohort models were applied. In the case of data heterogeneity in lung as well as in mouth and oropharyngeal cancer in males, an additional parameter indicating differences in lifestyle was introduced in the model. RESULTS: After accounting for major site-specific risk factors, we predict in females a steady increase in breast and lung cancer, but no major changes in cervical cancer case-load. In males a steady decrease in the lung cancer case-load is expected throughout the predicted period, while for mouth and pharyngeal cancer a moderate decrease is expected only after the year 2000. CONCLUSION: Despite some uncertainties inherent in cancer incidence predictions, the obtained results are important in setting priorities for national cancer control strategies in Slovenia, especially in further efforts towards primary prevention of lung, mouth and pharyngeal cancer, and in more efficient early detection of breast, cervical, mouth and pharyngeal cancer.

Adult↗

PubMed2002

Association of pyrogenic exotoxin genes with pharyngitis and rheumatic fever/rheumatic heart disease among Indian isolates of Streptococcus pyogenes.

AIM: To monitor the presence of various pyrogenic exotoxin genes in strains of Streptococcus pyogenes isolated in India. METHODS & RESULTS: Isolates recovered from pharyngitis (52) and rheumatic fever (RF)/ rheumatic heart disease (RHD) (8) patients were analysed for the presence of toxin genes, speA, speB and speF, by PCR. The specificity of the products was confirmed by restriction enzyme digestion and Southern hybridization. Among the 60 isolates studied, the incidence of speA, speB and speF were 5(8.3%), 56(93.3%) and 53(88.3%), respectively. The expression of these genes was established in representative isolates by RT-PCR. CONCLUSIONS: Comparative analysis of frequency of the speA, speB and speF genes, among pharyngitis and RF/RHD associated isolates, showed higher incidence in RF/RHD (25%, 100%,100%) as compared to pharyngitis patients (5.8%, 92.3%, 86.5%), respectively. SIGNIFICANCE OF STUDY: The presence of the speA gene, which is usually associated with scarlet fever or toxic shock-like syndrome, within few Indian isolates may be indicative of new virulent strains circulating within the Indian community. High distribution of toxin genes among RF/RHD compared to pharyngitis isolates indicate their possible role in increased virulence.

Adolescent↗

PubMed2001

Pharyngeal dysesthesias as an aura in temporal lobe epilepsy associated with amygdalar pathology.

PURPOSE: Pharyngeal dysesthetic auras are typically described with centrotemporal and opercular seizure-onset localizations. In this report we describe the fourth case in literature with temporal lobe seizures, apparently secondary to an amygdalar lesion on magnetic resonance imaging (MRI), presenting with prominent pharyngeal dysesthesias as the initial, or only, seizure manifestation. METHODS: Because of diagnostic uncertainty regarding the nature of the pharyngeal sensations, our case underwent prolonged extracranial video-EEG monitoring. RESULTS: Video-EEG information documented the epileptic origin of the dysesthesias and was concordant with the side and location of the amygdalar lesion. CONCLUSIONS: Pharyngeal dysesthetic auras may be produced by epileptic activity originating from the amygdala, and perhaps other mediotemporal structures. The underlying topography of this aura is not known with certainty, and it may reflect seizure spread from the amygdala and adjacent areas to the closely interconnected insular and opercular cortex, whose secondary activation could elicit similar sensations.

Adult↗

PubMed2000

Motions of the posterior pharyngeal wall in human swallowing: a quantitative videofluorographic study.

OBJECTIVE: To quantify segmental motions of the posterior pharyngeal wall during swallowing. DESIGN: Prospective study. SETTING: Hospital radiology suite. PARTICIPANTS: Six healthy adult volunteers. INTERVENTIONS: Videofluorography of the pharynx in posteroanterior and lateral projections during water swallows by 6 able-bodied adults. Radiopaque suction markers, inserted through the nose, were attached by suction to the midline of the posterior pharyngeal wall of the upper and lower oropharynx, pharyngoesophageal segment (PES), or cervical esophagus. MAIN OUTCOME MEASURES: Displacement of the larynx, hyoid bone, and markers. RESULTS: Marker pathways were ovoid in the oropharynx but linear in the PES and esophagus. Marker displacement was greatest in the vertical dimension, intermediate in posteroanterior dimension, and smallest in mediolateral dimension. Vertical displacement was greater for the PES marker than for larynx, hyoid bone, or oropharynx markers (p < .001), so that the pharynx shortened significantly during each swallow. Marker displacement was unaffected by bolus volume. CONCLUSIONS: The pharyngeal wall shortened during swallowing. The mechanism for PES elevation may differ from that of laryngeal elevation. Shortening of the pharynx may be produced by contraction of the pharyngeal suspensory muscles and traction on the larynx by suprahyoid muscles.

Adult↗

PubMed2002

Postoperative sore throat after routine oral surgery: influence of the presence of a pharyngeal pack.

A randomized clinical trial was conducted to investigate the effect of the presence of a pharyngeal pack during endotracheal anaesthesia on the incidence of postoperative sore throat. The patients were anaesthetized with fentanyl, thiopentone and atracurium. Thirty-six patients were anaesthetized without placement of pharyngeal packs while 26 patients had pharyngeal packs inserted. There were no significant differences in the incidence or severity of sore throat postoperatively in the two groups (P=0.23). These results contradict previous studies, which showed an increase in the incidence of postoperative sore throat after the use of pharyngeal packs.

Anesthesia, Dental↗

PubMed1995

[Examination technique of ultrasound follow-up of pharyngeal closure after laryngectomy].

BACKGROUND: The pharyngocutaneous fistula presents the most common complication after laryngectomy. Despite applying methods of pharyngeal closure, local factors such as irradiation may cause healing disturbances and the development of pharyngeal fistula. Before the nasogastric feeding tube is removed, an additional radiologic control with water-soluble contrast medium is recommended in literature in case of normal clinical healing. METHODS: The radiologic method was compared with a newly developed sonographic examination technique. Using the so-called "aerophagia maneuver" in sonography, an arising of peripharyngeal air before the "aerophagia maneuver" or a peripharyngeal mass lesion was an uncertain criterion for a pharyngeal fistula. Peripharyngeal air may be seen also due to infection with anaerobic bacteria, and peripharyngeal mass lesion may be caused by seroma or hematoma. In sonography, tissular air is seen typically, in a hyperechoic reflex with distal repetitions. RESULTS: Radiologic examination of the pharynx in 18 laryngectomy patients revealed fistulas in three cases. CONCLUSIONS: Our experiences have shown so far that sonographic examination in combination with the so-called "aerophagia maneuver" prove to be reliable or ascertaining pharyngeal closure after laryngectomy.

Cutaneous Fistula↗

PubMed1990

[Rehabilitation of deglutition in patients with pharyngeal carcinoma].

Surgical treatment of pharyngeal carcinoma implies different reconstructive procedures. Despite primary healing, in some cases cicatricial shrinkage occurs, resulting in dysphagia. Of 113 patients with carcinoma of the oro- and hypopharynx in the last 4 years, 35 patients were studied in a specific follow-up examination. Deglutition was evaluated via subjective responses to a questionnaire. Reproducible information was gained by videofluoroscopy and manometry of the pharyngo-esophageal segment. To assess deglutition, an arbitrary number scale was established with 7 for excellent and 1 for poor deglutition. After local tumour excision, partial and total pharyngectomy, pharyngolaryngectomy and additional myocutaneous grafting, the deglutition index ranged from 5.8 to 4.5 showing more striking differences in the time required for eating. Manometric analysis showed pressure peaks 10 times lower (3.5 hPa) than in normal subjects with prolongation of each swallow. Videofluoroscopy reveals even slight motility disturbances after ablative pharyngeal surgery. Typical findings are presented. The swallowing function after pharyngeal tumour operations requires the reconstruction of both the horizontal (oral) and vertical (pharyngeal) phase of deglutition. Since the base of the tongue seems to be the major driving force in bolus movement, it is not the extension of resection but the availability of remaining contractile tissue in the neopharynx, especially in the base of the tongue region, that determines the postoperative rehabilitation of deglutition.

Cineradiography↗

PubMed2003

Oral dexamethasone for the treatment of pain in children with acute pharyngitis: a randomized, double-blind, placebo-controlled trial.

STUDY OBJECTIVE: We compare oral dexamethasone with placebo for the relief of pain in children with acute pharyngitis. METHODS: We performed a prospective, randomized, double-blind, placebo-controlled trial of children aged 5 to 16 years who presented to the emergency department with acute pharyngitis. Children rated their pain on a standardized color analog scale and had a rapid streptococcal antigen detection test performed to determine group assignment. Children were randomized to dexamethasone (0.6 mg/kg, maximum dose 10 mg) or placebo. Blinded research assistants called all families daily to determine pain scores until the point of complete pain relief. The primary outcome measures were the time to clinically significant pain relief and the time to complete pain relief. RESULTS: A total of 184 children were enrolled in the study. There were 85 children in the antigen-positive group, of whom 45 were randomized to dexamethasone and 40 to placebo. In children with group A beta-hemolytic streptococcal pharyngitis, the median time to clinically significant pain relief was 6 hours in the dexamethasone group versus 11.5 hours in the placebo group (P =.02; effect size of 5.5 hours with 95% confidence interval [CI] of 1.0 and 10.0 hours), and the time to complete pain relief was similar (36 hours for placebo versus 40 hours for dexamethasone, P =.86; effect size of 4.0 hours with 95% CI of -9.3 and 17.3 hours) in the placebo group. There were 99 children enrolled in the antigen-negative group, of whom 47 received dexamethasone and 52 received placebo. In this group, the median time to clinically significant pain relief was 13 hours in the dexamethasone group versus 9 hours in the placebo group (P =.32; effect size of 4 hours with 95% CI of -2 and 10 hours), and the time to complete pain relief was similar (48 hours for placebo versus 50 hours for dexamethasone, P =.61; effect size of 2 hours with 95% CI of -11.8 and 15.8 hours). CONCLUSION: For all children with acute pharyngitis, oral dexamethasone does not decrease the time to onset of clinically significant pain relief or time to complete pain relief. However, in the subset of children with positive antigen detection test results, there is a statistically significant improvement in time to onset of pain relief, but it is of marginal clinical importance.

Acute Disease↗

PubMed2001

Pseudoepidemic of streptococcal pharyngitis in a hospital pharmacy.

CONTEXT: Streptococcus pyogenes has recently re-emerged as a significant pathogen causing disease ranging from pharyngitis to lethal systemic infection. Six hospital pharmacy employees were diagnosed as having streptococcal pharyngitis during 1 week, and antibiotic prophylaxis was requested to halt the outbreak. OBJECTIVE: Outbreak investigation. DESIGN: Review of initial cases and prospective evaluation of the remaining pharmacy employees and the antigen detection test being used. SETTING: Pharmacy and occupational health department of a university hospital. POPULATION: Sixteen employees of the hospital pharmacy and 19 other employees of the hospital. RESULTS: The 6 pharmacy employees who had positive streptococcal antigen detection tests did not have symptoms suggesting streptococcal pharyngitis. Of the 10 remaining pharmacy employees, none had a positive throat culture for S pyogenes. Specificity of the antigen detection test being used was 53% (95% CI, 30%-75%) in prospective evaluation. CONCLUSIONS: This was believed to represent a pseudoepidemic because none of the 6 cases had signs or symptoms typical of streptococcal pharyngitis, none of the remaining 10 pharmacy employees had positive throat cultures, and prospective evaluation found low specificity of the antigen detection test. Whereas use of an accurate test in such a low prevalence setting could have resulted in a higher percentage of results being false-positive, the low specificity of the antigen detection test being used also contributed to the pseudoepidemic.

Anti-Bacterial Agents↗

PubMed2002

Brain heterotopia in pharyngeal region. A morphological and immunohistochemical study.

Pharyngeal brain heterotopia is a congenital and generally biologically benign lesion. In contrast to brain heterotopia in the nose, the most common site of this lesion, brain heterotopia in the pharynx is very rare. Pharyngeal heterotopic tissue can be composed of various components, i.e., astrocytes, neurons, ependyma or choroid plexus, oligodendrocytes, retina, and, occasionally, neoplastic nodules. In contrast, nasal lesions are often only composed of astrocytes. We report a case of brain heterotopia in the pharyngeal region, diagnosed in a newborn female infant, causing serious respiratory distress. The infant underwent surgical excision of the lesion, and after 1 year of follow-up, she is recurrence-free. The mass, about 3 cm in diameter and showing no connection with encephalic structures, was characterized by numerous papillary structures and areas containing stellate-like or spindle cells focally forming nodules. Moreover, there was inflammatory infiltration, whereas mitoses, hemorrhages, and necroses were absent. Immunohistochemistry revealed a choroid plexus nature of the papillary formations (S-100, cytokeratins, transthyretin and vimentin-positive) and the presence of glial and neuronal cells in the remaining areas (glial fibrillary acidic protein, neuron-specific enolase, neurofilaments, synaptophysin, and S-100 positive). This case report confirms that the presence of choroid plexus is not uncommon and that pharyngeal brain heterotopia is usually benign.

Airway Obstruction↗

PubMed2004

Pharyngeal reflux in children with chronic otitis media with effusion.

OBJECTIVE: To investigate whether there is an association between chronic otitis media (COM) with effusion and pharyngeal reflux in children by using 24-h pH monitoring with a dual probe. MATERIAL AND METHODS: This was a prospective study. The study group consisted of 25 children with COM with effusion and the control group comprised 12 healthy children. All children underwent 24-h esophageal pH monitoring with a dual probe (distal and proximal esophageal pH monitoring). RESULTS: In the study group, the frequencies of pharyngeal and gastroesophageal reflux (GER) were 48% and 64%, respectively, and the corresponding values in the control group were 8.3% and 25%. Both of these differences were significant (p <0.05). In the study group, 28% of patients were positive for at least 1 symptom of GER; 72% of the patients did not have any symptoms but 56% of these patients had silent GER. CONCLUSIONS: These findings indicate that pharyngeal reflux may play an important role in the etiology of COM with effusion. If patients have typical symptoms of GER, such as pyrosis, regurgitation, dysphagia and emesis, the presence of GER should be considered. The presence of silent GER and pharyngeal reflux should also be considered.

Child↗