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Biomedical subjects

E Tiozzi

Publications and source records attributed to E Tiozzi.

6 recordsLinked to original sources

[Radiological aspects and results of percutaneous ultrasonic nephrolithotripsy].

Percutaneous removal of renal stones is becoming an established procedure, especially for stones lying free in the renal pelvis. These techniques, which include: retrograde pyelography to facilitate a thorough understanding of caliceal anatomy and stone position in 3 dimensions; approaches for accurate placement of a nephrostomy tract for straightline access to the stone and stone removal are discussed.

Humans↗

[Crystalluria during prophylactic treatment of urinary lithiasis with allopurinol, hydrochlorothiazide, manganese oxide, diphosphonates and propionohydroxamic acid].

The study of cristalluria was used as a method to evaluate the severity of nephrolithiasis and the efficacy of different drug therapies. The number and dimensions of urinary crystals as well as the number of crystal aggregates, were determined in patients with infected calcium or uric acid nephrolithiasis. Crystalluria was studied before therapy and at 6 and 12 months during treatment. Marked reduction of crystalluria in patients with uric acid stones treated with allopurinol and in patients with infected stones treated with antibiotics and propionohydroxamic acid (PHA) was observed. Reduction of crystalluria in the group of patients treated with antibiotics alone was lower. We stress usefulness of the study of crystalluria in stone formers, which is also relatively easy to carry out.

Allopurinol↗

[Esthetic restoration of the posterior sector. State of the art].

Patient's aesthetic requirements have increased in the past few years. The limited resistance of composites to wear has delayed their universal adoption for restoration of Class I and II cavity preparations in adult teeth. Although the potential use for posterior composite resin appears promising, the point at which such materials may be regarded as ideal, reliable, routine alternatives to silver amalgam has not been reached for materials of previous generation. To resolve some of the problems associated with the posterior composite resin, new materials (photo-cured GIC, multi step bonding agent, improved composite resins as P-50, Heliomolar Radiopaque, Ray Post) and new techniques have been introduced. In this paper the problems and questions raised with the use of posterior composites have been discussed.

Adhesives↗