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Biomedical subjects

B Patil

Publications and source records attributed to B Patil.

9 recordsLinked to original sources
PubMed2001

Complications of anaesthesia and surgery for laryngotracheo-oesophageal cleft.

Laryngotracheo-oesophageal cleft presents great difficulty in airway management. Tracheostomy and/or bilateral endobronchial intubation to secure the airway and a feeding gastrostomy are essential to sustain life until major definitive surgery can be planned. We describe the anaesthesia for these emergency life saving procedures in a 1.1-kg, 2-day-old neonate of 29 weeks gestation with apnoeic spells. Endoscopy to diagnose the extent of cleft, probable tracheostomy and gastrostomy were planned. Oesophagoscopy and bronchoscopy revealed a grade 3-4 cleft. Inadequate spontaneous ventilation during these procedures necessitated positive pressure ventilation. This resulted in a gaseous distension of an intact stomach which could be decompressed into the oesophagus. After the bronchoscopy, the use of a 3-mm tracheal tube without a Murphy's eye minimized the distension during gastrostomy. There was an accidental extubation after gastrostomy. Emergency reintubation with a 4-mm tracheal tube with a Murphy's eye resulted in gastric distension which led to tension pneumoperitoneum with a disappearance of PECO2. Misdiagnosis of this as loss of airway led to repeated intubations and extubation until the pneumoperitoneum was suspected and decompressed. After this setback, the baby's condition deteriorated over the next few hours ending fatally. The problems and suggestions to avoid these complications are discussed.

Anesthesia↗
PubMed2001

A study of epidural pressures in infants.

BACKGROUND: The pressures exerted on fragile structures in the infant during epidural injections have never been studied previously. METHODS: We measured the pressure changes in the epidural space of 20 infants during injection of local anaesthetic solutions. The pressures developed during passage of the epidural needle through the ligaments of spine and in the epidural space during the injection of 1 ml at two rates of injection, over 1 and 2 min and the residual pressure 1 and 2 min after each injection were studied. RESULTS: The mean pressure while the needle was being advanced through the ligamentum flavum was 69.14 +/- 36.95 mmHg. The epidural pressure after needle had just penetrated the ligament without eliciting the loss of resistance was 1 +/- 9.759 mmHg. A distinct pulsatile waveform identical to the pulse waveform was observed as soon as the epidural space was entered. The pressure rise varied according to the rate of injection. The pressures were 27.79 mmHg when the rate of injection was 1 ml.min(-1), with a residual pressure after 1 min of 12 +/- 5.53 mmHg and 10.14 +/- 5.53 mmHg after 2 min of injection. When the rate of injection was 1 ml.2 min(-1), the pressures were 15.66 +/- 9.48 mmHg with a residual pressure after 1 min of 14.79 +/- 5.15 mmHg and 12.93 +/- 5.46 mmHg after 2 min of injection. CONCLUSIONS: The residual pressures seem to vary more with the volume injected than the rate of injection or the pressures developed during the injection. The relationship between the rate of injection and pressures is significant when compared with adults where the pressures have been measured after an injection rate of 1 ml.s(-1) and 1 ml.5 s(-1). This is a very fast rate compared with our rates of injection of 1 ml over 1 and 2 min. Based on the findings of this study, we recommend a rate of 1 ml.2 min(-1) in infants. In neonates, a slower rate of injection would be preferable.

Anesthesia, Epidural↗
PubMed2001

First care givers of mentally ill patients: a multicenter study.

Pathways to psychiatric care were evaluated among three hundred and eighty four first-contact psychiatric patients from five socio-culturally different regions of India by a modified version of World Health Organization encounter form for 'pathways in psychiatric care'. Concerning first caregivers, out of 384 respondents 34.1% had chosen the psychiatrists, 29.4% the general practitioners and 26% had chosen faith healers and exorcists. Choice for the first caregiver was not influenced by gender differences, literacy status and family type. Mostly the subjects hailing from rural areas and those presenting with somatic symptoms chose psychiatrist as their first caregivers.

Adult↗
PubMed2000

An unusual cause of tracheal stenosis.

PURPOSE: To report a large chronic tracheal foreign body, causing tracheal stenosis in an 11-yr-old girl. CLINICAL FEATURES: The history was suggestive of obstructive airways disease with secondary bronchiectasis. Physical findings were crepitations and rhonchi all over the chest. Blood gases were normal. Chest X-ray showed bronchiectasis and a ventilation perfusion scan identified a tracheo-esophageal fistula. During anesthesia to confirm this, intubation and ventilation were difficult because of tracheal stenosis. The hypoventilation resulted in severe hypercarbia and acidosis. A subsequent CT scan showed a stenosis of 2 mm diameter and 1 cm length in the middle third of trachea, bronchiectasis, and an air filled pocket between the trachea and esophagus. PFT showed a severe obstruction. Antitubercular treatment which was started on the presumptive diagnosis of tuberculous stenosis and tracheoesophageal fistula caused a delay with deterioration of patient from intermittent dyspnea to orthopnea with severe hypecarbia and acidosis. The anesthetic management of the tracheal reconstruction was difficult due to her moribund condition even after medical treatment, the short length of the trachea above the obstruction, its severity and lack of resources for alternative techniques. A large foreign body was found lying obliquely in the trachea dividing it into an anterior narrow airway mimicking a stenosed trachea, and a wider posterior blind passage. CONCLUSION: The anesthetic consequences were peculiar to the unexpected etiology of the stenosis and poor general condition of the patient. Minor details like the tracheal tube bevel and ventilatory pattern became vitally important.

Acidosis↗
PubMed2000

Tunnelling of caudal epidural catheters in infants.

The working conditions in the developing world necessitate the development of many adaptations and improvizations of accepted anaesthetic techniques to improve patient care. Subcutaneous tunnelling of caudally placed epidural catheters is one such improvization to prevent the soiling of the catheter by urine and faeces. This study compares the duration of retention of catheter in a group with tunnelled catheters with an untunnelled group. The absence of a catheter emerging through skin at the site of catheter insertion hastens healing thus prolonging the retention of catheter in the tunnelled group and soiling ceases to be a major problem.

Analgesia, Epidural↗
PubMedDate not supplied

Urolithiasis: a tribal scenario.

Urolithiasis is quite prevalent in Satpura belt of Central India. Forty five children with urolithiasis were studied in Jawahar Medical Foundations Hospital, Dhule, Maharashtra over a period of three years. The mean age was 7.1 +/- 3.2 (range 18 months-15 years). The chief presenting complaints were dysuria and lower abdominal pain. The physical, laboratory and radiographic findings were evaluated. Calculi were located in the bladder (80%), urethra (9%), kidney (6.6%) and ureter (4.4%). Calculi were mainly composed of calcium oxalate (65.7%) and calcium phosphate (34.3%). The predominant urinary tract stones in the tribal Satpura belt are bladder stones and may be related to poor nutrition, low socioeconomic status and consumption of bajra (millet) as staple food as found in this region (93.5%).

Adolescent↗