Biomedical subjects
Publications and source records attributed to D Rosell Costa.
The T.V.T. procedure has become a technique for Urinary incontinence and its different presentations. Many trials have reported the efficacy of this technique for different situations, as well as its results and complications. We review the literature and analyze the results and complications, comparing this technique with other such procedures.
Several classes of drugs have been investigated for their efficacy in treating overactive bladder syndrome (OAB) and stress urinary incontinence (SUI). Surgery and behavioral therapies are currently the mainstay of treating SUI. However, results are also being made available about a new oral medication, Duloxetine, which appears to be clinically safe and effective for the treatment of SUI. On the other hand, a new muscarinic receptor antagonist, Solifenacin, has been shown in clinical trials to be clinically effective, safe and well tolerated for treating OAB.
One case of paratesticular embryonal rhabdomyosarcoma (RMS), affected during its evolution by a tumoral thrombus in the inferior vena cava. This unusual association forced the use of a cardiopulmonary by-pass, profound hypothermia and circulatory arrest, in order to carry out complete exeresis of the damage. Also, revision of the literature emphasizing that today's therapeutical approach for RMS should essentially be multidisciplinary.
We report a case of hyperammonemia and transient blindness following transurethral prostatic resectin. Glicine and ammonia metabolism are reviewed. Water intoxication may not account for these symptoms.
We report a case of right common iliac artery fistula to the left ureter in a patient affected by an invasive bladder tumour treated with radical surgery, radiotherapy and neo-adjuvant chemotherapy. At the time of manifestation, our patient had indwelling catheters and presented an urinary tract infection. Diagnosis was established during autopsy. We feel that the cause of this complication is multifactorial.
Prognostic factors were studied in 91 patients with diagnosed renal adenocarcinoma in stages pT1-4/N0-3/V0-2/M0. All patients had been treated with radical surgery, extended nephrectomy with or without cardiopulmonary by-pass and extracorporeal circulation in those cases with suprahepatic tumoral thrombosis. The tumoral features which have a significant incidence on the patient's survival rate are the degree of cellular anaplasia, GI 72% vs GII 42% vs GIII 22% (p less than 0.0001); pathological stage, pT1-2 86% vs pT3 30% (p = 0.0000), perirenal fat invasion, pT1-2 86% vs pT3a 61% (p = 0.01); renal vein or cava vein invasion, V0 72% vs V1-2 30% (p less than 0.01) and gangliar affection. N0 69% vs N1-3 11% (p = 0.0000). Development of systemic disease is significantly high in pT3 stages (p = 0.0001), mainly in pT3a (p = 0.01), N1-3 (p less than 0.05) and/or V1-2 (p = 0.01). There is premature development of metastasis conditioning death before the second year o study in 90% of patients. In our opinion, patients with renal adenocarcinoma in stages pT3a/N0/M0, pT3b/N0/M0 and pT2-4/N1-3/M0 present a high potential risk of developing metastatic disease following radical surgery. These patients, as well as those with high degree tumours and presumably minimum residual disease, are candidates for supplementary therapy with lymphokine immunotherapy (rIL-2,FNT, alpha or gamma IF, etc) with or without adoptive cellular immunotherapy (LAK or TIL) following radical surgery, and extended nephrectomy plus tumoral thrombectomy, if required, with or without cardiopulmonary bypass.
The paper presents the results obtained from a study of 28 patients with high urothelial tumour, treated with radical surgery (total nephroureterectomy). Multivariable study of survival rates (Cox models) indicates that cellular differentiation is the most significant prognostic factor. Single variable study indicates that tumour stage has some significance mainly due to the large relationship to the degree of cellular anaplasty.
A case is presented on the use of extracorporeal lithotrity by shock waves to treat vesical lithiasis, using the desk module of a Lithostar-PlusR (Siemens) lithotripter. This is an effective method without morbidity an adequate for ambulatory use, specially valuable in patients where the use of more invasive methods, or surgery can be contraindicated or when the patient refuses such methods.
The by-pass technique with controlled cardiac arrest and hypothermia is probably the best method for an extirpation of intracava tumoral thrombi in renal tumours. The technique is easy to perform, represents a great help in the extirpation of thrombi regardless their size and location, and avoids massive bleeding.
One hundred and twenty-three patients with a Ta/T2 stage vesical tumour were studied in order to identify the histological aspects associated to a tumoral behaviour particularly aggressive. The multivariate study demonstrates that those patients with a infiltrating tumour (T1-T2) or diffused urothelial dysplasia, have specially high possibilities to progress with regard to the degree of cell anaplasia (p less than 0.05); very close follow-up is needed in those patients. Likewise, patients presenting disseminated dysplastic lesions and with a history of previous urothelial tumours, progress to a new tumour stage with a significantly higher frequency (p less than 0.01); in those cases, radical surgery is the choice treatment.
Presentation of 7 case reports of pheochromocytome, diagnosed and treated in our Centre between 1981 and 1995. Clinically all patients had hypertension. Three presented the triple condition of hypertension, pulsatile headache and palpitations. The most useful analytical studies were urine vainillylmandelic acid (VMA) and catecholamines. The main radiologic method was the scanner (CT). Pre-surgical preparation was with alpha-blockers in 5 patients, adding beta-blockers in 3. Treatment was surgical in all cases, and the approach was selected based on the tumour's size and location. One patient with severe rheumatic heart disease died on day 3 post-surgery. Mean follow-up is 19 months, and only one patient requires anti-hypertensive medication following surgery.
Presentation of 11 cases of retroperitoneal sarcoma. Mean time from the beginning of symptoms to diagnosis is 6 months. The primary complementary study is CT. Surgery was performed in all cases, using complete resection in 6 cases, and partial resection in 5. Ten patients relapsed. 9 of which were treated with surgical rescue, in one or more occasions; chemotherapy was added in 6 cases and radiotherapy in 7. Survival at five years is 68%, with a mean follow-up of 66 months.
A prospective study which analyzes the presence of mutations in the suppressor oncogene p53 through automated genome sequentiation in 75 specimens of transitional cell carcinoma. The presence of mutations correlated to the pathological stage and cellular grade. Also, both the different types of mutations detected and the diversity of their location indicate the heterogeneity of bladder transitional cells carcinoma. The automated genome sequentiation method allows to detect both the type of mutation and the exact location. The detection of suppressor oncogene p53 mutations allows to identify those patients who may be at higher risk of disease progression and therefore those who should undergo a more intense follow-up.