PURPOSE: To evaluate the incidence and causes of complications associated with balloon-occluded arterial infusion chemotherapy (BOAI) for pelvic malignancies. METHODS: In 34 courses of BOAI in 22 patients with pelvic malignancies, we analyzed the incidence of complications as well as the effect of the dose of the anticancer drugs, the infusion site, and the number of BOAI administrations on these complications. Complications were divided into two categories: cystitis-like symptoms and neurological complications such as pain, numbness, and paresthesia of the lower extremities and the hip. RESULTS: Eleven patients (50%) suffered from complications, seven (31.8%) from neurological complications and four (18.2%) from cystitis-like symptoms. The complications appeared in 14 courses (42. 4%) of BOAI, neurological complications in 10 (30.3%) and cystitis-like symptoms in four (12.1%). A high dose of anti-cancer drugs and infusion from the anterior division tended to induce neurological complications more frequently; however, the cystitis-like symptoms were not related to any factors. CONCLUSION: Our results indicate that a smaller dose of anti-cancer drugs should be infused from the bilateral internal iliac arteries for safer pelvic BOAI.

Aged↗

PubMedDate not supplied

Re: filter placement in double inferior vena cava.

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Adult↗

PubMedDate not supplied

Right periureteric venous ring detected by computed tomography.

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Adult↗

PubMedDate not supplied

Oxygen-assisted breath-holding in computed tomography.

To achieve prolonged breath-holding, oxygen was administered just before dynamic CT and high resolution lung CT. Oxygen administration has proved to be a supportive means to improve the quality of CT studies.

Humans↗

PubMedDate not supplied

Heating characteristics of a helical microwave applicator for transurethral hyperthermia of benign prostatic hyperplasia.

A new applicator for intraurethral hyperthermic treatment of benign prostatic hyperplasia is described. The applicator uses an insulated helical antenna wound on the outer surface of a silicone urological (Foley) balloon catheter. The balloon catheter assures rapid and reproducible localization of the antenna in the prostatic urethra. Two small cannulae are fixed to the exterior surface of the applicator. One holds a temperature control sensor at a fixed location, the other is used to map temperature along the applicator. Two-dimensional SAR and steady-state temperature distributions measured in a plane tangent to the applicator in a tissue-equivalent phantom are presented, as well as longitudinal temperature distributions measured in situ at the applicator-urethral interface. Prostatic temperatures were also measured intraoperatively. The applicator appears to be capable of elevating temperature to greater than 42 degrees C in a cylindrically symmetric volume of about 4 cm length and about 0.5 cm radial penetration surrounding the antenna. The heating characteristics of this applicator are similar to an earlier design that employed an array of three dipoles. The helical applicator is narrower, more flexible and simpler to use than the earlier design.

Biomedical Engineering↗

PubMedDate not supplied

Application of self-expanding metallic stents to malignant stricture following mechanically stapled esophagojejunostomy: report of two cases.

Several types of self-expanding metallic stents (SEMS) were placed in two patients suffering from severe malignant stricture at the site of a mechanically stapled esophagojejunostomy used for the treatment of recurrent gastric cancer. Following modified Gianturco stent placement with limited success in one of the patients, an additional Ultraflex stent (Boston Scientific Co., Boston, USA) failed to expand satisfactorily at the outlet of the second stent. In the other patient, since the proximal end of an additional covered Ultraflex stent (Boston Scientific Co.) inserted through the first one failed to expand satisfactorily at the level of severe stenosis because of the extreme rigidity caused by the mechanical staples, a spiral Z-stent was inserted to dilate it. The cases reported here raise some problems associated with the treatment of severely malignant stricture accompanied by extreme rigidity following mechanically stapled esophagojejunostomy with SEMS.

Anastomosis, Surgical↗

PubMedDate not supplied

A case of aleukemic monocytic leukemia cutis treated with total body electron therapy.

A 39-year-old man with aleukemic monocytic leukemia cutis was treated with total skin electron therapy. The patient was irradiated twice a week for five weeks using three overlapping beams (SSD 145 cm) in a four-field technique with 4 MeV electrons. After delivery of 20 Gy, the nodular lesions disappeared. The patient tolerated the treatment well and showed no serious side effects.

Adult↗