Introduction Whether discernible advantages in terms of sensitivity and specificity exist with Acute Kidney Injury Network (AKIN) criteria versus Risk, Injury, Failure, Loss of Kidney Function, End-stage Kidney Disease (RIFLE) criteria is currently unknown. We evaluated the incidence of acute kidney injury and compared the ability of the maximum RIFLE and of the maximum AKIN within intensive care unit hospitalization in predicting inhospital mortality of critically ill patients.
To analyze the feasibility, efficacy and results of the use of 125Iodine seeds for intra-operative localization of nonpalpable breast lesions. Method: Retrospective review of 284 patients, referred by various breast specialist surgeons, with radiologically detected but clinically nonpalpable microcalcifications or nodules, submitted to pre-operatory 125Iodine seed implant, between July 2012 and September 2016. A total of 338 seeds were implanted in ordinary radiologic departments, supported by ultrasonography or mammography exams, chosen according to the morphologic aspect of the lesion. Radioguided surgical procedure took place on the same day or few days after the implant of the seeds, with the help of a radiation detector called Gamaprobe, which directs the surgeons towards the radioactive seeds and to the lesion to be resected. Results: All implants were performed as outpatient procedures, with patients immediately returning to their daily activities. No complications such as pain, bleeding, infeccion and haematoma were recorded. Pathologists had no difficulty in preparing the surgical specimens for histopathologic analysis. Surgical safety margins were considered adequate in all pathologic reports, with no need for re-operations. The healing process was not jeopardized by radiation, and the surgeons were pleased with the improvement on intraoperative lesions localizations and shortening on operatory time. Cosmetic results were well accepted by the patients. Conclusion: The 125Iodine seed implant is an effective alternative method for intraoperative localization of radiologically detectable and clinically nonpalpable breast lesions.
ObjectiveTo evaluate the relationship between two year PSA nadir (PSAn) after brachytherapy
and biochemical recurrence rates in prostate cancer patients.Materials and MethodsIn the period from January 1998 to August 2007, 120 patients were treated with
iodine-125 brachytherapy alone. The results analysis was based on the definition
of biochemical recurrence according to the Phoenix Consensus.ResultsBiochemical control was observed in 86 patients (71.7%), and biochemical
recurrence, in 34 (28.3%). Mean PSAn was 0.53 ng/ml. The mean follow-up was 98
months. The patients were divided into two groups: group 1, with two year PSAn
< 0.5 ng/ml after brachytherapy (74 patients; 61.7%), and group 2, with two
year PSAn ≥ 0.5 ng/ml after brachytherapy (46 patients; 38.3%). Group 1
presented biochemical recurrence in 15 patients (20.3%), and group 2, in 19
patients (43.2%) (p < 0.02). The analysis of biochemical
disease-free survival at seven years, stratified by the two groups, showed values
of 80% and 64% (p < 0.02), respectively.ConclusionLevels of two year PSAn ≥ 0.5 ng/ml after brachytherapy are strongly
correlated with a poor prognosis. This fact may help to identify patients at risk
for disease recurrence.
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