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Biomedical subjects

M L Tie

Publications and source records attributed to M L Tie.

8 recordsLinked to original sources
PubMed2001

Radiology interventions in patients receiving low molecular weight heparin: timing is critical.

Recent advances in diagnosis and treatment of venous thromboembolism have been associated with increasing use of low molecular weight heparins (LMWH) for treatment and prophylaxis of this disease. Despite this trend for more widespread use of LMWH, little is known of their safety in patients undergoing radiology interventions. Differences between LMWH and unfractionated heparin and the implications of these differences on use of LMWH in the setting of radiological interventions are outlined.

Anticoagulants↗
PubMed2001

Transperitoneal guide-wire or drainage catheter placement for guidance of laparoscopic marsupialization of lymphocoeles post renal transplantation.

BACKGROUND: Lymphocoeles post renal transplantation can be difficult to see laparoscopically. The objective of this study was to report a new technique of catheter or guide-wire placement for the guidance of laparoscopic marsupialization of symptomatic post renal transplant lymphocoeles, refractory to conservative therapy. METHODS: Conventional aseptic technique under local anaesthesia was used for guide-wire or catheter insertion, with the difference being the use of a transperitoneal approach. Computerized tomography (CT) or ultrasound (US) guidance was used. All lesions were confirmed to be sterile lymphocoeles beforehand by either needle aspiration or previous catheter drainage. RESULTS: Four catheters and one guide-wire were placed pre-operatively without complication. All cases underwent satisfactory laparoscopic marsupialization. No immediate complications were noted in any patient. The drainage catheters were inserted between 5 and 19 days before laparoscopic marsupialization, and guide-wire inserted immediately before. All patients proceeded to laparoscopic marsupialization. CONCLUSIONS: This technique offers precise guidance on laparoscopic surgery, is relatively simple to perform and no complications were experienced in this study. Its use is limited to sterile and benign lesions due to the risks of peritoneal seeding, making recurrent post-operative lymphocoeles ideally suited for this application.

Adult↗
PubMed2001

Thoracic CT for the intensivist.

OBJECTIVE: To discuss the recent advances in computed tomography (CT) and to present a simplified approach to CT of the chest to facilitate the understanding and diagnosis of common acute thoracic abnormalities in the critically ill patient. DATA SOURCES: Published articles and texts on thoracic disorders and CT diagnosis. SUMMARY OF REVIEW: In the acutely ill patient with complex pulmonary and cardiac disorders a thoracic CT can be useful in determining the cardiac, pulmonary, pleural and mediastinal abnormalities present. With an understanding of the position and appearance of normal intrathoracic structures (and artifacts) acute thoracic disorders can be easily assessed by the non-radiologist, facilitating the correct diagnosis and the appropriate management. CONCLUSIONS: Thoracic CT offers the intensive care specialist the option of evaluating the pulmonary system, pleura, mediastinum, heart, pericardium, and aorta where plain radiographs are often inadequate. New mobile CT technology offers CT to patients confined to the intensive care unit due to haemodynamic instability.

Journal Article↗
PubMed2001

Basic head CT for intensivists.

OBJECTIVE: To present a simplified approach to computed tomography (CT) of the head to facilitate the understanding and diagnosis of common acute cerebral abnormalities in the critically ill patient. DATA SOURCES: Published articles and texts on cerebral disorders and CT diagnosis. SUMMARY OF REVIEW: In the unconscious and acutely ill patient a head CT is often performed to assess the possibility of an organic or 'space occupying' cerebral lesion. While specialist radiological interpretation is often available during the day, when an 'out of hours' emergency occurs the diagnosis of an intracerebral abnormality often relies upon the intensivist's interpretation of the head CT scan. With an understanding of the position and appearance of normal intracerebral structures (and artifacts) common acute cerebral disorders can be easily assessed by the non-radiologist, facilitating the correct diagnosis and the appropriate management. CONCLUSIONS: Head CT is the commonest CT performed in the intensive care unit. In many patients who are sedated or ventilated, neurological examination is sometimes difficult and CT becomes important in clarifying patient's neurological status. A simple approach to the interpretation of brain CT images assists in the management of these cases.

Journal Article↗
PubMed1994

Chylothorax in Gorham's syndrome. A common complication of a rare disease.

One hundred forty-six cases of Gorham's syndrome are documented in the literature. Twenty-five (17 percent) patients have been reported to have chylothorax as a complication. To our knowledge, this high incidence of chylothorax has not been reported previously. We describe two such patients treated by thoracic duct ligation and compared our results with others to support early surgical intervention via a low right-sided thoracotomy in these cases.

Adolescent↗