High energy pulsed dye laser lithotripsy: management of ureteral calcium oxalate monohydrate calculi. 1991

H Vandeursen, and G Pittomvils, and R Boving, and L Baert
Department of Urology, University Hospital Sint-Pieter, Leuven, Belgium.

High energy pulsed dye laser lithotripsy (Candela MDL-2000), with energy output upgraded to a maximum of 140 mJ. at the laser fiber tip using the 320 mu core fiber, was compared to the initially commercialized device, with the energy output fixed at 60 mJ. using the 200 mu core fiber (Candela MDL-1). A total of 31 treatments in 28 patients was performed with the Candela MDL-1 device. Complete disintegration or at least fragmentation to spontaneously passable fragments occurred in 18 of 31 cases (58%). Only in 11 of the 24 calcium oxalate monohydrate calculi (46%) was fragmentation achieved. Another 73 laser lithotripsies in 72 patients were performed with the Candela MDL-2000 device. Complete disintegration or at least fragmentation to spontaneously passable fragments was achieved in 67 of 73 treatments (92%). Calcium oxalate monohydrate calculi were successfully treated in 41 of 45 procedures (91%). There was no response to the laser treatment in the only cystine calculus.

UI MeSH Term Description Entries
D008096 Lithotripsy The destruction of a calculus of the kidney, ureter, bladder, or gallbladder by physical forces, including crushing with a lithotriptor through a catheter. Focused percutaneous ultrasound and focused hydraulic shock waves may be used without surgery. Lithotripsy does not include the dissolving of stones by acids or litholysis. Lithotripsy by laser is LITHOTRIPSY, LASER. ESWL (Extracorporeal Shockwave Lithotripsy),Electrohydraulic Shockwave Lithotripsy,Extracorporeal Shockwave Lithotripsy,Litholapaxy,Noninvasive Litholapaxy,Percutaneous Ultrasonic Lithotripsy,Ultrasonic Lithotripsy,ESWLs (Extracorporeal Shockwave Lithotripsy),Electrohydraulic Shockwave Lithotripsies,Extracorporeal Shockwave Lithotripsies,Litholapaxies,Litholapaxies, Noninvasive,Litholapaxy, Noninvasive,Lithotripsies,Lithotripsies, Electrohydraulic Shockwave,Lithotripsies, Extracorporeal Shockwave,Lithotripsies, Percutaneous Ultrasonic,Lithotripsies, Ultrasonic,Lithotripsy, Electrohydraulic Shockwave,Lithotripsy, Extracorporeal Shockwave,Lithotripsy, Percutaneous Ultrasonic,Lithotripsy, Ultrasonic,Noninvasive Litholapaxies,Percutaneous Ultrasonic Lithotripsies,Shockwave Lithotripsies, Electrohydraulic,Shockwave Lithotripsies, Extracorporeal,Shockwave Lithotripsy, Electrohydraulic,Shockwave Lithotripsy, Extracorporeal,Ultrasonic Lithotripsies,Ultrasonic Lithotripsies, Percutaneous,Ultrasonic Lithotripsy, Percutaneous
D008274 Magnesium A metallic element that has the atomic symbol Mg, atomic number 12, and atomic weight 24.31. It is important for the activity of many enzymes, especially those involved in OXIDATIVE PHOSPHORYLATION.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010710 Phosphates Inorganic salts of phosphoric acid. Inorganic Phosphate,Phosphates, Inorganic,Inorganic Phosphates,Orthophosphate,Phosphate,Phosphate, Inorganic
D002129 Calcium Oxalate The calcium salt of oxalic acid, occurring in the urine as crystals and in certain calculi. Calcium Oxalate (1:1),Calcium Oxalate Dihydrate,Calcium Oxalate Dihydrate (1:1),Calcium Oxalate Monohydrate,Calcium Oxalate Monohydrate (1:1),Calcium Oxalate Trihydrate,Dihydrate, Calcium Oxalate,Monohydrate, Calcium Oxalate,Oxalate, Calcium,Trihydrate, Calcium Oxalate
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000069877 Struvite The mineral magnesium ammonium phosphate with the formula NH4MgPO4. It is associated with urea-splitting organisms in a high magnesium, high phosphate, alkaline environment. Accumulation of crystallized struvite is found in the urinary tract as struvite CALCULI and as scale on sewage system equipment and wastewater pipes. Struvite Crystal,Ammonium Magnesium Phosphate,Dittmarite,Magnesium Ammonium Phosphate,Magnesium Ammonium Phosphate Hexahydrate,Magnesium Ammonium Phosphate Monohydrate,Struvite (H3PO4-NH4-Mg (1:1:1)),Struvite Crystals,Crystal, Struvite,Crystals, Struvite

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