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L Nusbaum

Publications and source records attributed to L Nusbaum.

4 recordsLinked to original sources
PubMed2001

Translation, adaptation and validation of the Roland-Morris questionnaire--Brazil Roland-Morris.

The purpose of the present study was to translate the Roland-Morris (RM) questionnaire into Brazilian-Portuguese and adapt and validate it. First 3 English teachers independently translated the original questionnaire into Brazilian-Portuguese and a consensus version was generated. Later, 3 other translators, blind to the original questionnaire, performed a back translation. This version was then compared with the original English questionnaire. Discrepancies were discussed and solved by a panel of 3 rheumatologists and the final Brazilian version was established (Brazil-RM). This version was then pretested on 30 chronic low back pain patients consecutively selected from the spine disorders outpatient clinic. In addition to the traditional clinical outcome measures, the Brazil-RM, a 6-point pain scale (from no pain to unbearable pain), and its numerical pain rating scale (PS) (0 to 5) and a visual analog scale (VAS) (0 to 10) were administered twice by one interviewer (1 week apart) and once by one independent interviewer. Spearman's correlation coefficient (SCC) and intraclass correlation coefficient (ICC) were computed to assess test-retest and interobserver reliability. Cross-sectional construct validity was evaluated using the SCC. In the pretesting session, all questions were well understood by the patients. The mean time of questionnaire administration was 4 min and 53 s. The SCC and ICC were 0.88 (P<0.01) and 0.94, respectively, for the test-retest reliability and 0.86 (P<0.01) and 0.95, respectively, for interobserver reliability. The correlation coefficient was 0.80 (P<0.01) between the PS and Brazil-RM score and 0.79 (P<0.01) between the VAS and Brazil-RM score. We conclude that the Brazil-RM was successfully translated and adapted for application to Brazilian patients, with satisfactory reliability and cross-sectional construct validity.

Brazil↗
PubMedDate not supplied

The intra-hepatic biliary system in cirrhósis.

The authors study 14 cirrhotic livers by means of post-mortem cholangiography and vinyl casts. They analyze the radiographs according to thorough criterions, described in the text, and come to the conclusion that intrahepatic biliary ducts in cirrhotic livers present serious alterations, represented by distorted ducts with focal stenoses, nodular impressions, wall irregularities, increase of the number of obtuse angles and poor peripheral filling, which confer a disharmonic aspect to the intra-hepatic biliary ducts of these organs. Furthermore, they show that livers with post-necrotic cirrhosis present bile ducts much more seriously damaged than those with Laennec's cirrhosis. The paper was submitted to statistical analysis and allows objective conclusions.

Adult↗
PubMedDate not supplied

Post-mortem aeroportography.

The authors suggest a new methodology for the study of the intrahepatic portal system, using atmospheric air as a contrast medium. They used 48 livers of normal and pathological corpses, obtaining post-mortem cholangiographies and vinyl molds. Comparing the images obtained with literature data and with the vinyl molds, the authors conclude that the method is accurate, presenting furthermore many advantages with regard to contrasts generally used, such as low cost, easy performance, possibility repeating the radiographs as many times as necessary, and the possibility of simultaneous obtaining contrasts of other intra-hepatic systems by use of other radio-opaque contrast media in another system, as for example the biliary or the arterial system.

Air↗