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Tracheobronchial foreign bodies.

OBJECTIVE: [corrected] Foreign body inhalation is an extremely serious problem in children and sometimes result in sudden death. The current mortality rate from foreign body inhalation is between 0% and 1.8% according to various studies. In spite of this, undiagnosed and unsuspected foreign bodies still occur in the airway. METHODS: Pediatric patients with documented foreign body inhalation, treated in the Department of Pediatrics, Bapuji Hospital, JJM Medical College during 1997-2000 are included in the analysis. Children with or without positive history of aspiration were examined and the diagnosis was made on the basis of history, clinical findings, radilogic evaluation and strong index of suspicion in those children where reasonable appropriate treatment failed to resolve the respiratory symptoms. Bronchoscopy was performed for a suspected foreign body on 165 children. RESULT: A review of 165 pediatric cases of suspected foreign body aspiration revealed, children between 1 and 3 years were found to be very vulnerable for aspiration. Majority of children were boys. Over 70% of the patients had positive history of inhalation. Only 60% of the patients presented immediately, that is within 24 hours after aspiration. Common symptoms were cough and respiratory distress. Physical examination showed abnormal finding in 91% of cases. Decreased air entry was the significant clinical sign. Obstructive emphysema was found in majority of the cases (49.5%). Rigid bronchoscopy under general anaesthesia was the preferred method for removal of aspirated foreign body. In 65 (61.9%) cases foreign body was lodged in the right main bronchus and majority of these were organic in nature, that is 96 (91.43%). CONCLUSION: Tracheobronchial foreign bodies should be strongly suspected in pediatric age group who present with a suggestive history, even when physical and radiographic evidence is absent. The modalities of diagnosis, management and outcome are discussed.

Bronchi↗

Bronchoscopic removal of aspirated foreign bodies in children.

Foreign body aspiration is the cause of death for more than 300 children each year in the United States. Tracheobronchial inhalation of foreign bodies may result in acute respiratory distress, atelectasis, chronic pulmonary infections, or death. A review of the records of 548 children (aged 4 months to 18 years) was undertaken to identify factors important in diagnosis, to illustrate the effectiveness of current endoscopic techniques and equipment, and to evaluate the results and complications of management. Coughing, choking, and wheezing were the presenting symptoms seen for 95% of the patients. Results of inspiratory and expiratory chest radiographs were positive in 83% of the 440 children who had foreign bodies removed. Fluoroscopy findings were positive for 67 patients, 90% of whom had foreign bodies removed. Foreign bodies were successfully identified and removed in 440 patients (80%). A wide variety of objects was recovered, the most common being peanuts, organic material, other nuts, popcorn, seeds, plastic objects, and pins. The foreign bodies were in the right bronchus in 49%, the left in 44%, and the trachea and hypopharynx in 4%. Two thirds of the objects were lodged in the mainstem bronchi, on either side, and the remainder were in the distal bronchi. Bronchoscopy is required for treatment, and with experience this procedure can be simple and safe. Ninety-nine percent of the foreign bodies identified during bronchoscopy were removed successfully. Minor complications occurred in 5%, and there were no deaths.

Adolescent↗

A prospective randomized trial comparing the use of the flexible gastroscope versus the bronchoscope in the management of foreign body ingestion.

BACKGROUND: Foreign body ingestion is a common clinical problem in Hong Kong. Some recent reports have proposed the use of flexible nasoendoscopy for foreign body retrieval. The present study is a prospective randomized trial on the use of the flexible gastroscope and bronchoscope in the management of foreign body ingestion. METHODS: Two hundred sixteen patients older than 11 years were prospectively randomized to flexible endoscopic examination using either the gastroscope (108 patients) or the bronchoscope (108 patients). The duration of the procedure was noted. Patients were asked to assess their overall tolerance to the procedure on a scale of 1 (well tolerated) to 10 (unacceptable). RESULTS: A foreign body was retrieved in 68 patients (31.5%). There was no difference between the two groups in the foreign body retrieval rate, type of foreign body retrieved, duration of procedure, and tolerance level. In the group managed with the bronchoscope, however, three patients required the additional use of the gastroscope for foreign body retrieval at (for one patient) or below (for two patients) the cricopharyngeus. The patient's tolerance level was related only to the duration of procedure (rho = 0.386; p < 0.001). CONCLUSION: The use of the flexible gastroscope is recommended because of its efficacy, safety, and tolerability.

Adolescent↗

Retrograde esophagoscopy for foreign body removal.

Foreign bodies of the esophagus may penetrate the wall and migrate extraluminally, requiring a thoracotomy for removal. We report two children who swallowed coins that went undetected for several months and slowly eroded into the esophageal wall. These coins could not be retrieved by upper endoscopy, because of proximal strictures and granulation tissue at the perforation sites. Following surgical gastrostomy and retrograde flexible endoscopy, the coins were successfully removed. Retrograde endoscopy should be considered for removal of foreign esophageal objects before undertaking a thoracotomy.

Child, Preschool↗

Endolaryngeal foreign bodies.

Unusual foreign bodies of the larynx viz. a toy gear, a metallic spring, a safety pin, a piece of stone, lodged in the endolaryngeal region are reported. Radiographic documentation with the rare feature of absence of symptoms inspite of lodgement for long duration is recorded.

Child, Preschool↗

Computed tomography of a cranial wooden foreign body.

Wooden foreign bodies have surprisingly low attenuation coefficients and can be difficult to discern on computed tomography when located in the paranasal sinuses or retroorbital fat unless using either a "measured mode" or statistical analysis. A case is presented of a wooden pool cue inserted into a patient's nostril and sinus that illustrates this point.

Adult↗

Dentures: difficult oesophageal foreign bodies.

Oesophageal foreign bodies occur commonly, but dentures are swallowed infrequently. Two cases are reported that demonstrate the difficulties in the localization and retrieval of ingested dentures, because they are radiolucent and have an awkward shape. Early rigid oesophagoscopy is recommended as the most appropriate investigation and method of removal.

Adult↗

An unusual cause of chronic cough. Foreign body aspiration.

Foreign body aspiration (FBA) is a serious medical problem, causing thousands of deaths nationally each year. Clinical presentations range from acute suffocation and death to chronic and subtle respiratory symptoms. Although FBA is more common in children, adult patients are also at risk. We present a classic case of FBA in an adult male with a history of alcohol abuse and chronic cough.

Alcoholism↗

[New strategies for the prevention of foreign body infections].

Foreign body infections continue to present a challenge to modern medicine. New aspects for the prevention of such infections are presented on the basis of modifying medical devices or implant materials (synthetic polymers). Physicochemical treatment of polymer surfaces is a possible tool to create anti-adhesive and thus anti-infective surfaces. Coupling or incorporation of antimicrobial substances to or into polymers is another way to prevent bacterial colonization and subsequently the development of polymer-associated infections.

Bacterial Adhesion↗

[Flexible bronchoscopy in the diagnosis of foreign body aspiration].

Foreign body aspiration (FBA) should be suspected in every child with acute onset of cough or wheezing. Although a choking episode occurs in 80-90% of cases of FBA, it is not necessarily diagnostic. Furthermore, in many cases neither physical examination nor chest x-ray, including fluoroscopy, are diagnostic; their results may be completely normal in up to 17-25% of cases of FBA. Bronchoscopy is therefore mandatory when there is a convincing history of FBA, regardless of physical or radiologic findings. This can be done with either the flexible or rigid bronchoscope, or with both.

Bronchi↗

Indications for open surgical removal of airway foreign bodies.

Airway foreign bodies can usually be extracted by skillful application of endoscopic techniques. We report our experience in the management of 2 infants in whom sharp, pointed objects dictated consideration for an open surgical approach. Clinical presentation and treatment options will be discussed in the successful management of these 2 patients, one with a crab claw in the subglottis and the other with an electronic diode in the lung. Extensive training and a full complement of modern instruments are required, but in highly selected cases, an open surgical procedure entails less risk than endoscopic extraction.

Airway Obstruction↗

Disposable plastic diapers: a foreign body hazard.

Foreign body ingestion and aspiration in children has been a serious problem, occasionally resulting in airway obstruction and death. Airway obstruction by balloons and subsequent asphyxiation is well documented. Respiratory blockage by plastic dry-cleaning sacks has resulted in warning labels on most such materials. Two recent cases of nasal aspiration of plastic coating from a commonly used disposable diaper are compared to reports of similar occurrences documented by the U.S. Consumer Product Safety Commission. On the basis of these reports we recommend that disposable diapers be continuously covered by other clothing to prevent the child's access to the plastic. Otolaryngologists and pediatricians should be aware of the potential hazard when examining diapered children with chronic rhinorrhea or sudden respiratory distress.

Accident Prevention↗

Chronic perforation of the sigmoid colon by foreign body.

Colorectal foreign bodies (FBs) may be ingested or introduced transanally and then migrate proximally. Without a reliable history, it may be impossible to determine which way a certain colorectal FB gained access. We present a case of a nonverbal mentally retarded boy with a flat piece of plastic impacted in the sigmoid colon, the colonoscopic extraction of which failed. He underwent laparotomy more than a year later to remove the FB, where chronic perforation of the sigmoid colon was discovered. The perforation was sealed with extensive adhesions to the pelvic wall, and histologically, the colon showed a chronic granulomatous reaction. We discuss the types, presentations, and diagnosis of intestinal perforation with FBs. Chronic perforation may present with radiologic and pathologic features that suggest inflammatory bowel disease.

Adolescent↗

Kinetics of multinucleate giant cell formation and their modification by various agents in foreign body reactions.

Foreign body multinucleate giant cells were produced by the implantation of a strip of Melenex in the subcutaneous tissues of mice. The implants were removed at various intervals, and the proportion of multinucleate giant cells as well as the number of nuclei they contained were counted and statistically assessed. The greatest proportion of giant cells was reached 4 weeks after implantation, when 25% of the attached cells were multinucleated. The mean nuclear content however was greatest approximately 2 weeks after implantation and rapidly fell over the ensuing weeks. The fusion potential however, remained almost unaltered for the remainder of the experimental period. Transplantation of 7-day Melenex implants from normal donors into lethally irradiated recipients demonstrated that the halflife of the giant cells is only a few days. Treatment with carrageenin, species-specific antisera, actinomycin D and cortisone inhibited, while puromycin enhanced, multinucleate cell formation. Calcium gluconate, EDTA and irradiation had no significant effect. The possible interpretation of some of these findings is discussed.

Animals↗

Management of colorectal foreign bodies.

Colorectal foreign bodies (CFBs) present a serious dilemma regarding extraction and management. In an 11-year period ending March 1994, 48 patients presented to the University of California, San Diego Medical Center and Hammersmith Hospital London with CFBs. Identified patients charts were reviewed in a retrospective manner and the medical literature was reviewed. A wide variety of CFBs were identified and all were extracted transanally. Circumstances surrounding CFB insertion was most commonly sexual stimulation (78%), but included sexual assault (10%). Extraction in the emergency department was successful in 31 (63%) patients. Operating room extraction was performed in 18 (37%) patients; in 12 cases the CFBs were simply extracted under anaesthesia, five patients required primary repair and diverting colostomy for rectal perforation and one required primary repair of an external anal sphincter laceration. Post-extraction observation following simple extraction ranged from immediate discharge to 72 h (mean 13.1 h) and there were no reported complications. A thorough history is essential in order to identify those cases that have resulted from assaults. With adequate sedation, most CFBs can be extracted transanally either in the emergency department or operative suite under direct vision. Sigmoidoscopy is required following extraction to evaluate mucosal injury or perforation. After effortless extraction of a smooth object, with no evidence of mucosal injury, the patient can be discharged after a short period of observation. Rectal perforation can be treated with primary repair and diverting colostomy with low morbidity. This is a relatively common surgical dilemma that requires a thorough history, physical examination, radiographs inventiveness to treat. Additionally, the physician should demonstrate a caring attitude and not subject the patient who is suffering pain and embarrassment to ridicule.

Adult↗