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Dive into the research topics where Kenneth A. Geller is active.

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Featured researches published by Kenneth A. Geller.


Annals of Otology, Rhinology, and Laryngology | 1980

Five-Year Retrospective Study with Special Reference to Management

Seymour R. Cohen; Wayne I. Herbert; George B. Lewis; Kenneth A. Geller

The charts of 143 patients with foreign bodies in the larynx and tracheobronchial tree who were admitted to the Childrens Hospital of Los Angeles during the period 1973 to 1978 were reviewed. Of these children 84 were male and 59 were female. One hundred were private patients and forty-three were clinic patients. Of these foreign bodies 60 were nut meat which is by far the most common foreign body of the tracheobronchial tree. All foreign bodies were successfully removed. One hundred twenty-six were discharged within the first 24 hours after admission and treatment. Fifty-one or 36% of these patients were discharged on the same day after the foreign body was removed. Sixty-two of the foreign bodies were in the left bronchial tree, while 55 were in the right bronchial tree. One hundred thirty-eight were endoscoped under general anesthesia using the apneic technique and five patients were treated with oxygen standby only because of severe respiratory obstruction. A detailed description of the use of apneic technique with profound muscle relaxation, the avoidance of preoperative medication and the team approach to ventilating the patients are all described. The advantage of general anesthesia, and the potential intraoperative and postoperative problems are reviewed. Of the total number of cases 13 % were between 4 and 11 months of age, 44% were between 12 and 23 months of age and 57% were over 23 months of age.


Annals of Otology, Rhinology, and Laryngology | 1982

Laryngeal Paralysis in Children A Long-Term Retrospective Study

Seymour R. Cohen; Kenneth A. Geller; Jeffrey W. Birns; Jerome W. Thompson

The charts of 100 children with laryngeal paralysis were reviewed. The patients in this study had either unilateral or bilateral abductor vocal cord paralysis. The literature and pathophysiology are reviewed. A statistical analysis of each group of patients according to etiology is reported. The follow-up, progress and recovery are detailed. The need for observation and conservative therapy is reinforced by the tendency for spontaneous recovery. Suggestions regarding treatment are given.


Annals of Otology, Rhinology, and Laryngology | 1980

Papilloma of the larynx and tracheobronchial tree in children. A retrospective study.

Seymour R. Cohen; Kenneth A. Geller; Sharon Seltzer; Jerome W. Thompson

One hundred and forty cases of papilloma of the larynx and tracheobronchial tree are documented in the records of the Childrens Hospital of Los Angeles. The records of 90 patients were available and were reviewed intensively. The method of direct laryngoscopy with general anesthesia using apneic technique in most patients and intubation in some was an adequate method of treating patients with laryngeal papillomata. A general anesthetic was never used where obstruction was severe and the airway could not be controlled. The low incidence of papilloma of the tracheobronchial tree and an absence of parenchymal lung seeding in this series is attributed to the avoidance of a tracheotomy and fewer intubation anesthetics thus avoiding trauma to the trachea and bronchi. The immediate removal of the tracheotomy tube seems an alternative if the surgical procedure had been performed. In the patients in this series decannulation was accomplished in a very short period of time. The establishment of an airway seems to be a priority in the treatment of this disease and this can be accomplished by repeated endoscopic procedures rather than tracheotomy. Statistics are given, and prognosis based on the type of lesion and histopathology is documented.


Annals of Otology, Rhinology, and Laryngology | 1982

Foregut cysts in infants and children. Diagnosis and management.

Seymour R. Cohen; Kenneth A. Geller; Jeffrey W. Birns; Jerome W. Thompson; Bert W. Meyer; George G. Lindesmith

The charts of 15 patients with foregut cysts were reviewed. The lesions were intrathoracic in 14 patients and in the cervical area in one child. The importance of early diagnosis and surgical management is stressed. In untreated infants with foregut cysts, severe progressive and life-threatening airway obstruction may develop. Since the symptoms of this congenital lesion may simulate other more common diseases of the tracheobronchial tree and esophagus, the physician should become familiar with this disease entity so that proper diagnosis and surgical treatment will not be delayed. The study includes symptomatology, methods of diagnosis, pathologic findings and classification of the cysts.


International Journal of Pediatric Otorhinolaryngology | 2009

Age specific differences in pediatric obstructive sleep apnea

Debra M. Don; Kenneth A. Geller; Jeffrey A. Koempel; Sally L. Davidson Ward

BACKGROUND Some have suggested that younger children have a more severe form of obstructive sleep apnea than older children and therefore are at a higher risk for respiratory compromise after tonsillectomy and adenoidectomy. However, at present there are few studies that have identified any significant correlation between age and severity of obstructive sleep apnea. OBJECTIVE To determine if age specific differences in obstructive sleep apnea are present in children. DESIGN Retrospective chart review. SETTING Tertiary care childrens hospital. PATIENTS The records of children (1-18 years of age) with obstructive sleep apnea diagnosed by overnight polysomnography between January 1998 and January 2001 were reviewed. Children included in the study also had evidence of adenotonsillar hypertrophy and had no other co-existing medical problems. MAIN OUTCOME MEASURES Overnight polysomnography was performed in all children. Apnea-hypopnea index (AHI), baseline and lowest O(2) saturation, baseline and peak end tidal CO(2), and total number of obstructive apneas, hypopneas, central apneas and mixed apneas were measured during each polysomnogram. Children were subdivided into the following age groups: 1-2, 3-5, 6-11 and 12-18 years. Polysomnograms were classified into normal, mild, moderate and severe categories. RESULTS Three hundred and sixty-three children were studied; 45 children were ages 1-2 years, 159 children were ages 3-5 years, 137 children were 6-11 years and 22 children were 12-18 years. Although there appears to be a trend towards a greater mean number of obstructive apneas, hypopneas, central apneas, mixed apneas, a higher mean AHI, lower mean SaO(2) nadir, and a higher mean PETCO(2) in the younger age groups when compared to the older groups, a Students t-test demonstrates that there is no statistical significance for most OSA parameters. An analysis of variance using the F-test reveals statistical significance (p<0.01) when children ages 1-2 were compared to those 3-5, 6-11 or 12-18 years of age for the variables AHI, mean number of central apneas, hypopneas and mixed apneas. When comparing patients in the various severity categories, children ages 1-2 years show a distinct distribution with a larger percentage in the moderate to severe categories. Chi square analysis reveals a significant difference between the frequency distribution of children in age group 1-2 years and that of the other age groups (p<0.01). CONCLUSION There is a predilection for children less than 3 years of age to have more severe obstructive sleep apnea as documented by polysomnography. Central apnea also appears to be more common in this age group. These findings may be explained by anatomic and physiologic differences related to age and support a period of observation following adenotonsillectomy in younger children.


International Journal of Pediatric Otorhinolaryngology | 2010

Surgical management of type III and IV laryngotracheoesophageal clefts: The three-layered approach §

Kenneth A. Geller; Young Mi Kim; Jeffrey A. Koempel; Kathryn D. Anderson

OBJECTIVE The objective of this paper is to present our surgical experience with a cohort of four infants with laryngotracheoesophageal cleft (LTEC) in order to highlight our early failures and complications and to propose a comprehensive, three-layered approach in treating stages III and IV LTEC. METHOD An IRB approved, retrospective chart review was carried out of a cohort of four cases occurring within a 2-year period of time. RESULTS All patients had other significant anomalies, and the mortality rate was high: 75%. After our initial failures and difficulties with recurrent fistulas, tracheomalacia and tracheotomy dependence, we were able to achieve a successful outcome of a functional separation of the airway and the digestive tract without a tracheotomy in our last two patients. Unfortunately, both these patients died from factors not directly associated with the LTEC so long-term follow up was not possible. We now have one survivor, our second case, who is tracheotomy dependent. CONCLUSION Laryngotracheoesophageal clefts are rare congenital anomalies with high morbidity and mortality despite various forms of surgical repair. Fistulas, tracheostomy dependence, tracheomalacia, and chronic lung disease secondary to aspiration are frequent problems following LTEC repairs. We advocate an anterior approach to the cleft repair, a three-layered closure of the cleft to include an interpositional muscular flap, and a physiologic repair of the posterior larynx with a standard cartilage graft technique used in laryngotracheal reconstruction.


Annals of Otology, Rhinology, and Laryngology | 1983

Voice change in the pediatric patient. A differential diagnosis.

Seymour R. Cohen; Kenneth A. Geller; Jerome W. Thompson; Jeffrey W. Birns

This paper reviews the causes of voice change in the infant and child. Symptoms of dysphonia can be very early evidence of a serious problem, either within the larynx or resulting from a systemic disease. The need to investigate the cause of voice disturbances is stressed. The large number of diseases in which voice change occurs makes a complete examination of the child, both local and systemic, absolutely necessary in order to arrive at a specific diagnosis. The mechanism of voice change is described in each category of the numerous causes of dysphonia.


Annals of Otology, Rhinology, and Laryngology | 2004

Use of the Palmaz stent in the treatment of severe tracheomalacia

Kenneth A. Geller; Jeffrey A. Koempel; Winfield J. Wells; Maie A. St. John

To present our experience with the use of the Palmaz stent in treating cases of severe, life-threatening tracheomalacia, and to report our experience with the use of tracheal stents in patients who have concomitant tracheotomies, we performed a retrospective study in a tertiary-care childrens hospital. Nine patients with multiple congenital anomalies including severe tracheomalacia required placement of a Palmaz stent to prolong life. The congenital anomalies included congenital heart disease, congenital lung disease, meningomyelocele, laryngotracheoesophageal cleft, and tracheoesophageal fistula. Three of the patients had concomitant tracheotomies. Each patient had placement of one or more Palmaz stents in the trachea and/or bronchus. Four patients died, and 5 patients are still alive. Three of the 4 patients who died had concomitant tracheotomies and died of complications associated with significant tracheal hemorrhage. The fourth died of pulmonary complications following repeated episodes of pneumonia. None of the 5 patients who are still alive had a concomitant tracheotomy. The Palmaz stent is a useful tool for treating life-threatening tracheomalacia as a final resort in this difficult patient population; however, the use of these stents may lead to subsequent hemorrhage and death, especially in patients with tracheotomies, so their use must be carefully considered.


International Journal of Pediatric Otorhinolaryngology | 2009

Persistent buccopharyngeal membrane: Report of a case and review of the literature

Sunil P. Verma; Kenneth A. Geller

A persistent buccopharyngeal membrane is a rare entity with 23 reported cases in the literature. Patients often present at birth in airway distress with diagnosis initially unrecognized. The otolaryngologist is frequently consulted in the delivery room to establish a secure airway after attempts at direct laryngoscopy are unsuccessful. Historically, definitive treatment has proved challenging. This article presents a new case and thoroughly reviews the literature for previous cases. Embryology, presentation, and treatment options are outlined.


Laryngoscope | 2009

Histologic assessment of thermal injury to tonsillectomy specimens: a comparison of electrocautery, coblation, harmonic scalpel, and tonsillotome.

Vikash K. Modi; Hector Monforte; Kenneth A. Geller; Jeffrey A. Koempel

To determine the extent of thermal injury to the tonsillar tissue following the use of various types of instrumentation. To determine if tonsillectomy specimens routinely contain tissue other than lymphoid tissue.

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Jeffrey A. Koempel

Children's Hospital Los Angeles

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Seymour R. Cohen

Children's Hospital Los Angeles

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Jerome W. Thompson

University of Tennessee Health Science Center

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Bert W. Meyer

University of Southern California

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David Cohen

Wayne State University

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Debra M. Don

Children's Hospital Los Angeles

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George G. Lindesmith

University of Southern California

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Kathryn D. Anderson

Children's Hospital Los Angeles

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