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Albuquerque J, Neto da Silva D, Padrão T, Leal-Costa L, Bizarro R, Correia J, Baptista C, Machete M, Prazeres G, Margarido I, Fernandes G, Simões P, Timóteo T, Lopes F, Godinho J, Moreira-Pinto J, Rodrigues T, Faria A, Pulido C, Cirnes L, Teixeira JA, Passos Coelho JL. Loss of RAS Mutations in Liquid Biopsies of Patients With Multi-Treated Metastatic Colorectal Cancer. Oncologist 2024; 29:e337-e344. [PMID: 38071748 PMCID: PMC10911918 DOI: 10.1093/oncolo/oyad299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/17/2023] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND Liquid biopsy (LB) is a non-invasive tool to evaluate the heterogeneity of tumors. Since RAS mutations (RAS-mut) play a major role in resistance to antiepidermal growth factor receptor inhibitors (EGFR) monoclonal antibodies (Mabs), serial monitoring of RAS-mut with LB may be useful to guide treatment. The main aim of this study was to evaluate the prognostic value of the loss of RAS-mut (NeoRAS-wt) in LB, during the treatment of metastatic colorectal cancer (mCRC). METHODS A retrospective study was conducted on patients with mCRC between January 2018 and December 2021. RAS-mut were examined in tissue biopsy, at mCRC diagnosis, and with LB, during treatment. RESULTS Thirty-nine patients with RAS-mut mCRC were studied. LB was performed after a median of 3 lines (0-7) of systemic treatment including anti-vascular endothelial growth factor (anti-VEGF) Mabs. NeoRAS-wt was detected in 13 patients (33.3%); 9 (69.2%) of them received further treatment with anti-EGFR Mabs with a disease control rate of 44.4%. Median overall survival (OS), from the date of LB testing, was 20 months in the NeoRAS-wt group and 9 months in the persistent RAS-mut group (log-rank 2.985; P = .08), with a 12-month OS of 84.6% and 57.7%, respectively. NeoRAS-wt was identified as a predictor of survival (HR = 0.29; P = .007), with an 11-month improvement in median OS and a 71% decrease in risk of death, in heavily pretreated patients. CONCLUSIONS In conclusion, monitoring clonal evolution in mCRC by LB may provide an additional treatment line for patients with NeoRAS-wt in advanced disease.
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Affiliation(s)
| | | | - Teresa Padrão
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
| | - Luísa Leal-Costa
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - Rita Bizarro
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - Jorge Correia
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
| | - Carlota Baptista
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - Madalena Machete
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - Gil Prazeres
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
| | - Inês Margarido
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
| | | | - Pedro Simões
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - Teresa Timóteo
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
| | - Fábio Lopes
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - João Godinho
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - João Moreira-Pinto
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - Tânia Rodrigues
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
| | - Ana Faria
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
| | - Catarina Pulido
- Department of Medical Oncology, Hospital da Luz, Lisboa, Portugal
| | - Luís Cirnes
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal
| | - José A Teixeira
- Department of Medical Oncology, Hospital Beatriz Ângelo, Loures, Portugal
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Duarte Mendes A, Freitas AR, Vicente R, Ferreira R, Martins T, Ramos MJ, Baptista C, Silva BM, Margarido I, Vitorino M, Silva M, Braga S. Beta-Adrenergic Blockade in Advanced Non-Small Cell Lung Cancer Patients Receiving Immunotherapy: A Multicentric Study. Cureus 2024; 16:e52194. [PMID: 38348009 PMCID: PMC10859721 DOI: 10.7759/cureus.52194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/12/2024] [Indexed: 02/15/2024] Open
Abstract
Introduction The standard treatment of cancer has dramatically improved with immune checkpoint inhibitors (ICIs). Despite their proven advantage, many patients fail to exhibit a meaningful and lasting response. The beta-adrenergic signalling pathway may hold significant promise due to its role in promoting an immunosuppressive milieu within the tumour microenvironment. Inhibiting β-adrenergic signalling could enhance ICI activity; however, blocking this pathway for this purpose has yielded conflicting results. The primary objective of this study was to evaluate the effect of beta-blocker use on overall survival and progression-free survival during ICI therapy. Methods A multicentric, retrospective, observational study was conducted in four Portuguese institutions. Patients with advanced non-small cell lung cancer treated with ICIs between January 2018 and December 2019 were included. Those using beta blockers for non-oncological reasons were compared with non-users. Results Among the 171 patients included, 36 concomitantly received beta blockers and ICIs. No significant increase was found in progression-free survival among patients who took β-blockers (HR 0.74, 95% confidence interval (CI) 0.48-1.12, p = 0.151), and no statistically significant difference was found in overall survival. An apparent trend was observed towards better outcomes in the beta-blocker group, with a median overall survival of 9.93 months in the group not taking β-blockers versus 14.90 months in the β-blocker group (p = 0.291) and a median progression-free survival of 5.37 in the group not taking β-blockers versus 10.87 months in the β-blocker group (p = 0.151). Nine (25%) patients in the beta-blocker group and 16 (12%) in the non-beta-blocker group were progressive disease-free at the end of follow-up. This difference between the two groups is statistically significant (p = 0.047). Conclusion Our study found no statistically significant evidence that beta blockers enhance the effectiveness of immunotherapy. Using adrenergic blockade to modulate the immune system shows promise, warranting the need to develop prospective clinical studies.
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Affiliation(s)
- Ana Duarte Mendes
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
| | - Ana Rita Freitas
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
| | - Rodrigo Vicente
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
| | - Ricardo Ferreira
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
| | - Telma Martins
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
| | - Maria João Ramos
- Medical Oncology Department, Centro Hospitalar Universitário de Santo António, Porto, PRT
| | - Carlota Baptista
- Medical Oncology Department, Hospital Beatriz Ângelo, Loures, PRT
| | | | - Inês Margarido
- Medical Oncology Department, Hospital da Luz Lisboa, Lisboa, PRT
| | - Marina Vitorino
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
| | - Michelle Silva
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
| | - Sofia Braga
- Medical Oncology Department, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT
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Rebordão-Pires M, Estrada MF, Gomes A, Silva F, Baptista C, Ramos MJ, Fortuna A, Simões P, Sousa G, Marreiros A, Fior R. Relapsed Ovarian Cancer Patients with Ascites and/or Pleural Effusion Still Benefit from Treatment: A Real-Life Study. Cancers (Basel) 2023; 16:162. [PMID: 38201589 PMCID: PMC10778384 DOI: 10.3390/cancers16010162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
(1) Background: Relapsed HGSOC with ascites and/or pleural effusion is a poor-prognostic population and poorly represented in clinical studies. We questioned if these patients are worth treating. In other words, if these patients received the most effective treatment, would it change the course of this disease? To our knowledge this is the first real-life study to evaluate this question in this low-survival population. (2) Methods: To tackle this question we performed a retrospective, multi-centric, real-life study, that reviewed relapsed HGSOC patients with ascites and/or pleural effusion. Our rationale was to compare the OS of two groups of patients: responders, i.e., patients who had an imagological response to treatment (complete/partial response/stable disease, RECIST criteria) versus non-responders (no response/progression upon treatment). We evaluated the predictive value of clinical variables that are available in a real-life setting (e.g., staging, chemotherapy, surgery, platinum-sensitivity). Multivariate logistic regression and survival analysis was conducted. A two-step cluster analysis SPSS tool was used for subgroup analysis. Platinum sensitivity/resistance was also analyzed, as well as multivariate and cluster analysis. (3) Results: We included 57 patients, 41.4% first line responders and 59.6% non-responders. The median OS of responders was 23 months versus 8 months in non-responders (p < 0.001). This difference was verified in platinum-sensitive (mOS 28 months vs. 8 months, p < 0.001) and platinum-resistant populations (mOS 16 months vs. 7 months, p < 0.001). Thirty-one patients reached the second line, of which only 10.3% responded to treatment. Three patients out of thirty-one who did not respond in the first line of relapse, responded in the second line. In the second line, the mOS for the responders' group vs. non-responders was 31 months versus 13 months (p = 0.02). The two step cluster analysis tool found two different subgroups with different prognoses based on overall response rate, according to consolidation chemotherapy, neoadjuvant chemotherapy, FIGO staging and surgical treatment. Cluster analysis showed that even patients with standard clinical and treatment variables associated with poor prognosis might achieve treatment response (the opposite being also true). (4) Conclusions: Our data clearly show that relapsed HGSOC patients benefit from treatment. If given an effective treatment upfront, this can lead to a ~3 times increase in mOS for these patients. Moreover, this was irrespective of patient disease and treatment characteristics. Our results highlight the urgent need for a sensitivity test to tailor treatments and improve efficacy rates in a personalized manner.
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Affiliation(s)
- Mariana Rebordão-Pires
- Medical Oncology Unit, Instituto Português De Oncologia De Coimbra Francisco Gentil, 3000-075 Coimbra, Portugal; (M.R.-P.); (G.S.)
| | - Marta F. Estrada
- Cancer Development and Innate Immune Evasion Laboratory, Champalimaud Foundation, 1400-038 Lisboa, Portugal
| | - António Gomes
- Surgery Unit, Hospital Vila Franca de Xira, 2600-153 Vila Franca de Xira, Portugal;
| | - Filipa Silva
- Gynecology Unit, Champalimaud Foundation, 1400-038 Lisboa, Portugal;
| | - Carlota Baptista
- Medical Oncology Unit, Hospital Beatriz Ângelo, 2674-514 Loures, Portugal; (C.B.); (P.S.)
| | - Maria João Ramos
- Medical Oncology Unit, Centro Hospitalar Universitário de Santo António, 4099-001 Porto, Portugal;
| | - Ana Fortuna
- Medical Oncology Unit, Centro Hospitalar do Algarve, 8500-338 Portimão, Portugal;
| | - Pedro Simões
- Medical Oncology Unit, Hospital Beatriz Ângelo, 2674-514 Loures, Portugal; (C.B.); (P.S.)
| | - Gabriela Sousa
- Medical Oncology Unit, Instituto Português De Oncologia De Coimbra Francisco Gentil, 3000-075 Coimbra, Portugal; (M.R.-P.); (G.S.)
| | - Ana Marreiros
- Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal;
- Algarve Biomedical Center Research Institute, University of Algarve, 8005-139 Faro, Portugal
| | - Rita Fior
- Cancer Development and Innate Immune Evasion Laboratory, Champalimaud Foundation, 1400-038 Lisboa, Portugal
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Neves MT, Ferreira A, Branco V, Abreu M, Alves FR, Baptista C, Graça J, Ferreira F, Malheiro M, Martins A. Utility of Prophylactic Percutaneous Gastrostomy in Patients With Head and Neck Cancer Receiving Concurrent Chemoradiotherapy: A Multicenter Analysis. Cureus 2023; 15:e44637. [PMID: 37671078 PMCID: PMC10476146 DOI: 10.7759/cureus.44637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2023] [Indexed: 09/07/2023] Open
Abstract
INTRODUCTION Patients with head and neck cancer (HNC) have an elevated incidence of cachexia and malnutrition due to the tumor's location interfering with oral feeding. Concurrent chemoradiation (CCRT) can have an emetic effect and cause dysphagia and oral mucositis. Adequate nutrition improves immunity, raises the response to therapy, reduces adverse effects, and improves survival. Numerous studies have suggested the utility of nutritional support from percutaneous endoscopic gastrostomy (PEG) in HNC patients. Although PEG is usually considered a safe procedure, it has a mortality rate of 0-2.2% and a risk of other procedure-related complications of 17-40%. Our work intends to evaluate the utility of PEG in patients with locally advanced HNC who underwent CCRT. METHODS We performed a cohort study at three institutions. We included patients with HNC who underwent definitive CCRT treatment from January 2013 to December 2022. The study consisted of an observational, descriptive, retrospective analysis of prespecified clinical data. Descriptive statistics were used to compare the data between the PEG group and the non-PEG group. Analysis of covariance (ANCOVA) was used for covariance analysis. Fisher's exact test was used to compare proportional data and Student's t-test was used to assess the differences in continuous data. Survival analysis was performed using the Kaplan-Meier estimator. P-values of <0.05 were considered to be indicative of statistical significance. The SPSS Statistics version 28.0 (Armonk, NY: IBM Corp.) was used to perform all statistical evaluations. RESULTS We identified 90 eligible patients diagnosed with local advanced HNC who had received definitive CCRT with three weekly cycles of cisplatin as follows: 44 with a prophylactic PEG tube and 46 without a prophylactic PEG tube. Most patients were male (84.4%) and 50% of patients were diagnosed with stage IVa HNC at the time of diagnosis. There wasn't an effect of PEG placement on BMI at the end of CCRT after controlling for the effect of baseline BMI (F {1.84}=0.065 {p=0.799}). In the study population, BMI was significantly lower after CCRT (21.30 kg/m2 vs. 23.97 kg/m2), t (86)=12.389, p<0.001. In the subgroup with baseline BMI <18.5 kg/m2 (15 patients), 90% of patients with prophylactic PEG were able to complete the three planned cycles of chemotherapy vs. 66.7% in the non-PEG group. Ten patients in the PEG group (22.7%) referred feeding tube dependency. Patients with dysphagia were 3.2 times more likely to have placed prophylactic PEG (p=0.007). The difference in overall survival and progression-free survival between the two groups was not statistically significant (p=0.57 and p=0.497, respectively). CONCLUSION In this study using real-world data, we found a potentially protective effect of PEG in underweight patients with locally advanced HNC performing CCRT in order to complete three cycles of treatment.
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Affiliation(s)
- Maria Teresa Neves
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
| | - André Ferreira
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
| | - Vanessa Branco
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
| | - Maria Abreu
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
| | - Fátima R Alves
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
| | | | - Joana Graça
- Medical Oncology, Hospital de Vila Franca de Xira, Vila Franca de Xira, PRT
| | - Filipa Ferreira
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
| | - Mariana Malheiro
- Medical Oncology, Hospital CUF Tejo, Lisbon, PRT
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
| | - Ana Martins
- Medical Oncology, Hospital São Francisco Xavier, Centro Hospitalar de Lisboa Ocidental (CHLO), Lisbon, PRT
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Albuquerque J, N. Silva D, Leal-Costa L, Gantes Padrão T, Baptista C, Bizarro R, Correia J, Godinho J, Timóteo T, Viegas Rato J, Alberto Teixeira J, Passos-Coelho J. Thromboembolic disease in testicular germ cell tumors. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02563-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Leal da Costa L, Albuquerque J, Vicente R, Silva D, Baptista C, Bizarro R, Moreira-Pinto J, Godinho J, Branco F, Faria A, Lopes F, Teixeira J. Association between prostate-specific antigen decline and survival outcomes in patients with metastatic castrate-resistant prostate cancer treated with first line abiraterone acetate. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02531-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Silva D, Albuquerque J, Gramaça J, Vasques A, Duarte T, Vicente R, Caleça T, Sousa M, Menezes M, Furtado I, Ferreira R, Simões P, Leal-Costa L, Baptista C, Bizarro R, Machete M, Lopes F, Alberto Teixeira J. Predictive factors of response to Cabazitaxel in heavily pretreated patients with metastatic castration resistant prostate cancer: RWD from eight Portuguese institutions. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02530-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Simões P, Fernandes G, Costeira B, Machete M, Baptista C, N Silva D, Leal-Costa L, Prazeres G, Correia J, Albuquerque J, Padrão T, Gomes C, Godinho J, Faria A, Casa-Nova M, Lopes F, Teixeira JA, F Pulido C, Oliveira H, Mascarenhas-Lemos L, Albergaria D, Maio R, Passos-Coelho JL. Lymph node yield in the pathological staging of resected nonmetastatic colon cancer: The more the better? Surg Oncol 2022; 43:101806. [PMID: 35841744 DOI: 10.1016/j.suronc.2022.101806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 05/31/2022] [Accepted: 07/03/2022] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Guidelines recommend regional lymphadenectomy with a lymph node yield (LNY) of at least 12 lymph nodes (LN) for adequate colon cancer (CC) staging. LNY ≥22LN may improve survival, especially in right-sided CC [Lee et al., Surg Oncol, 27(3), 2018]. This multicentric retrospective cohort study evaluated the impact of LNY and tumor laterality on CC staging and survival. MATERIALS AND METHODS Patients with stage I-III CC that underwent surgery from 2012 to 2018 were grouped according to LNY: <22 and ≥ 22. Primary outcomes were LN positivity (N+ rate) and disease-free survival (DFS). Overall survival (OS) was the secondary outcome. Exploratory analyses were performed for laterality and stage. RESULTS We included 795 patients (417 < 22LN, 378 ≥ 22LN); 53% had left-sided CC and 29%/37%/38% had stage I/II/III tumors. There was no association between LNY ≥22LN and N+ rate after adjustment for grade, T stage, lymphovascular invasion (LVI) and perineural invasion; a trend for a higher N+ rate in left-sided CC was identified (interaction p = 0.033). With a median follow-up of 63.6 months for DFS and 73.2 months for OS, 254 patients (31.9%) relapsed and 207 (26.0%) died. In multivariate analysis adjusted for age, ASA score, laparoscopic approach, T/N stage, mucinous histology, LVI and adjuvant chemotherapy, LNY ≥22LN was significantly associated with both DFS (HR 0.75, p = 0.031) and OS (HR 0.71, p = 0.025). Restricted cubic spline analysis showed a more significant benefit for right-sided CC. CONCLUSION LNY ≥22LN was associated with longer DFS and OS in patients with operable CC, especially for right-sided CC.
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Affiliation(s)
- Pedro Simões
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Gonçalo Fernandes
- Medical Oncology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - Beatriz Costeira
- General Surgery, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Madalena Machete
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Carlota Baptista
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Diana N Silva
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Luísa Leal-Costa
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Gil Prazeres
- Medical Oncology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - Jorge Correia
- Medical Oncology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - Joana Albuquerque
- Medical Oncology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - Teresa Padrão
- Medical Oncology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - Catarina Gomes
- Gastroenterology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - João Godinho
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Ana Faria
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Mafalda Casa-Nova
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Fábio Lopes
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - José A Teixeira
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Catarina F Pulido
- Medical Oncology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - Helena Oliveira
- Pathology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Luís Mascarenhas-Lemos
- Pathology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal; Pathology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - Diogo Albergaria
- General Surgery, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal.
| | - Rui Maio
- General Surgery, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal; General Surgery, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
| | - José L Passos-Coelho
- Medical Oncology, Hospital Beatriz Ângelo, Av. Carlos Teixeira 3, 2674-514, Loures, Portugal; Medical Oncology, Hospital da Luz Lisboa, Av. Lusíada 100, 1500-650, Lisbon, Portugal.
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Albuquerque J, Neto da Silva D, Padrão T, Leal da Costa L, Bizarro R, Correia J, Baptista C, Machete M, Prazeres G, Margarido I, Fernandes G, Simões P, Timóteo T, Lopes F, Godinho J, Moreira-Pinto J, Rodrigues T, Faria A, Pulido C, Cirnes L, Teixeira J, Passos-Coelho J. P-171 Prognostic value of conversion from RAS-mutated to RAS wild-type during treatment of metastatic colorectal cancer using liquid biopsies – real-world data of two Portuguese institutions. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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10
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Casanova D, Alliez A, Baptista C, Gonelli D, Lemdjadi Z, Bohbot S. A 1-Year Follow-Up of Post-operative Scars After the Use of a 1210-nm Laser-Assisted Skin Healing (LASH) Technology: A Randomized Controlled Trial. Aesthetic Plast Surg 2017; 41:938-948. [PMID: 28233128 DOI: 10.1007/s00266-017-0820-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 02/06/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Laser therapies are used prophylactically for excessive scar formation. The Laser-Assisted Skin Healing treatment induces a controlled heat stress that promotes tissue regeneration. This comparative trial is the first to evaluate the performance of a new automated 1210-nm laser system, compatible with all Fitzpatrick scale phototypes. METHODS Forty women undergoing bilateral breast reduction were enrolled in this double-blinded randomized controlled trial. The horizontal sutured incision of one breast was treated with the portable 1210-nm laser while in the operating theatre. The other breast was used as the study control. Objective measurements, subjective clinical assessments and safety evaluation were carried out over 1 year by both clinicians and patients. RESULTS Six weeks following surgery, better overall appearance and modified OSAS scores were reported for the laser-treated scars when compared to the control group (p = 0.024 and p = 0.079). This supports an early effect of the laser treatment during the inflammatory stage of the healing process. After a post-treatment period of 6 months, there continued to be a strong tendency in favour of the laser treatment based on the subjective scores and corroborated by the objective improvement of the treated scar volume (p = 0.038). At 1 year, the laser-treated scars continued to improve compared to the control ones in terms of volume (p = 0.004), surface (p = 0.017) and roughness (p = 0.002), and these comparatively better results were strengthened with the blind expression of patients' preference for their laser-treated scar (p = 0.025). CONCLUSIONS This new 1210-nm laser treatment, used as a single session performed immediately after surgery, provides significant objective and subjective improvements in scar appearance. These data can be useful when preparing patients to undergo their surgical procedure. LEVEL OF EVIDENCE I This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Baptista C, Bertrand B, Philandrianos C, Degardin N, Casanova D. [Autologous fat grafting in children]. ANN CHIR PLAST ESTH 2016; 61:732-739. [PMID: 27233949 DOI: 10.1016/j.anplas.2016.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 04/19/2016] [Indexed: 10/21/2022]
Abstract
Lipofilling or fat grafting transfer is defined as a technique of filling soft tissue by autologous fat grafting. The basic principle of lipofilling is based on a harvest of adipose tissue, followed by a reinjection after treatment. Lipofilling main objective is a volume defect filling, but also improving cutaneous trophicity. Lipofilling specificities among children is mainly based on these indications. Complications of autologous fat grafting among children are the same as those in adults: we distinguish short-term complications (intraoperative and perioperative) and the medium and long-term complications. The harvesting of fat tissue is the main limiting factor of the technique, due to low percentage of body fat of children. Indications of lipofilling among children may be specific or similar to those in adults. There are two types of indications: cosmetic, in which the aim of lipofilling is correcting a defect density, acquired (iatrogenic, post-traumatic scar) or malformation (otomandibular dysplasia, craniosynostosis, Parry Romberg syndrom, Poland syndrom, pectus excavatum…). The aim of functional indications is correcting a velar insufficiency or lagophthalmos. In the paediatric sector, lipofilling has become an alternative to the conventional techniques, by its reliability, safety, reproducibility, and good results.
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Affiliation(s)
- C Baptista
- Service de chirurgie plastique et réparatrice, hôpital La-Conception, 147, boulevard Baille, 13005 Marseille, France.
| | - B Bertrand
- Service de chirurgie plastique et réparatrice, hôpital La-Conception, 147, boulevard Baille, 13005 Marseille, France.
| | - C Philandrianos
- Service de chirurgie plastique, hôpital Nord, chemin des Bourrely, 13015 Marseille, France.
| | - N Degardin
- Service de chirurgie plastique pédiatrique, hôpital La Timone Enfants, 264, rue Saint-Pierre, 13385 Marseille, France.
| | - D Casanova
- Service de chirurgie plastique et réparatrice, hôpital La-Conception, 147, boulevard Baille, 13005 Marseille, France.
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Stifani B, MacCarthy S, Baptista C, Nunn A, Benfield N, Dourado I. Low use and discontinuation of highly effective contraceptives after HIV diagnosis in Salvador, Brazil. Contraception 2016. [DOI: 10.1016/j.contraception.2016.07.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Mattiello-Sverzut A, Nascimento-Elias A, Baptista C, Calori P, Garcia B, Sartor C, Sacco I, Marques W. Dynamic pedobarography assessment in children and adolescent with Charcot–Marie–Tooth disease. Neuromuscul Disord 2015. [DOI: 10.1016/j.nmd.2015.06.351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Nguyen P, Baptista C, Casanova D, Bardot J, Magalon G. Rhinoplastie et injection de tissu adipeux autologue. ANN CHIR PLAST ESTH 2014; 59:548-54. [DOI: 10.1016/j.anplas.2014.05.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Accepted: 05/31/2014] [Indexed: 11/26/2022]
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Abstract
Mycetoma is a chronic inflammatory cutaneous and subcutaneous pathology caused by either a fongic (eumycetoma) or bacterial (actinomycetoma) infection, which lead to a granulomatous tumefaction with multiple sinuses. When localized in the foot this infection is named "Madura foot". This infection is endemic to tropical and subtropical regions and rarely occurs in western countries. A historical case in Europe of a foot mycetoma evolving since 20 years without any treatment is presented. A histopathologic diagnosis of actinomycetoma has been done in 1987. The patient presented a severe Staphylococcus aureus chronic osteitis leading to a trans-tibial amputation. This case allows to present this infection which, even if rarely presented in France, can be meet especially among a migrant's population.
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Affiliation(s)
- A Iniesta
- Service de chirurgie de la main et réparatrice des membres, Aix-Marseille université, AP-HM conception, 147, boulevard Baille, 13385 Marseille, France.
| | - C Baptista
- Service de chirurgie de la main et réparatrice des membres, Aix-Marseille université, AP-HM conception, 147, boulevard Baille, 13385 Marseille, France
| | - D Guinard
- Service de chirurgie de la main et réparatrice des membres, Aix-Marseille université, AP-HM conception, 147, boulevard Baille, 13385 Marseille, France
| | - R Legré
- Service de chirurgie de la main et réparatrice des membres, Aix-Marseille université, AP-HM conception, 147, boulevard Baille, 13385 Marseille, France
| | - A Gay
- Service de chirurgie de la main et réparatrice des membres, Aix-Marseille université, AP-HM conception, 147, boulevard Baille, 13385 Marseille, France
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Cotovio P, Neves M, Rodrigues L, Alves R, Bastos M, Baptista C, Macário F, Mota A. New-onset diabetes after transplantation: assessment of risk factors and clinical outcomes. Transplant Proc 2013; 45:1079-83. [PMID: 23622631 DOI: 10.1016/j.transproceed.2013.03.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND New-onset diabetes after transplantation (NODAT) is a serious complicatin of kidney transplantation (KT) with adverse impacts on graft and patient survivals. This study aims assess potential risk factors for development of NODAT and compare clinical outcomes of KT recipients with versus without NODAT. METHODS We retrospectively evaluated 648 patients who underwent KT between 2005 and 2009. From the 83 (12.8%) subjects who developed NODAT, we selected 47 for comparison with controls free of diabetes. RESULTS The diagnosis of NODAT was made at 4.3 ± 8.5 months after transplantation in 47 patients, including 76.6% males, with an overall mean age of 54.5 ± 10.8 years. Patients with NODAT presented higher pretransplantation fasting plasma glucose levels (P < .001) as well as cyclosporine and tacrolimus trough levels (P = .003 and P < .001, respectively). On multivariate analysis, higher pretransplantation fasting plasma glucose and higher tacrolimus, but not cyclosporine concentrations were independent predictors of NODAT. No differences were found for other potential risk factors. Upon follow-up at 6, 12, 24, 36, 48, and 60 months, renal function (estimated Glomerular Filtration Rate using Modification of Diet in Renal Disease), 24 hour proteinuria and proportions of patients with hypertension were similar between groups. Patients with NODAT showed comparable numbers of hospitalizations and infections, as well as acute rejection episodes and acute cardiovascular events as their counterparts. Event-free survival (loss of graft function/death with functioning graft) was similar between the groups (P = .418; K-M). DISCUSSION In our population, higher pretransplantation fasting plasma glucose levels and higher tacrolimus concentrations were independent predictors of NODAT. During a mean follow-up of 3 years, NODAT was not associated with worse clinical outcomes.
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Affiliation(s)
- P Cotovio
- Department of Nephrology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.
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17
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Baptista C, Iniesta A, Nguyen P, Legré R, Gay AM. Greffe de tissu adipeux autologue dans la prise en charge chirurgicale des cicatrices douloureuses : résultats préliminaires. ACTA ACUST UNITED AC 2013; 32:329-34. [DOI: 10.1016/j.main.2013.07.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2013] [Revised: 07/10/2013] [Accepted: 07/22/2013] [Indexed: 02/09/2023]
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18
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Delhom A, Baptista C, Gay A, Legré R. [Rupture by attrition of the median nerve found during a carpal tunnel release procedure]. ACTA ACUST UNITED AC 2013; 32:350-3. [PMID: 24035684 DOI: 10.1016/j.main.2013.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 07/16/2013] [Accepted: 07/22/2013] [Indexed: 11/29/2022]
Abstract
We report the finding of a subtotal rupture of the median nerve caused by a "bridge" or"easel" erosion due to a sequela of childhood wrist fracture. This unpublished observation was made during a carpal tunnel release procedure on an 80-year-old patient who was operated on for recurrence of a severe carpal tunnel syndrome 30 years after a previous neurolysis. If the flexor tendon ruptures are widely described, as well as nerve sections following high energy trauma, the median nerve rupture caused by its erosion over a bony projection has never been published at the best of our knowledge.
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Affiliation(s)
- A Delhom
- Service de chirurgie de la main et chirurgie reconstructrice des membres, hôpital de la Conception, 147, boulevard Baille, 13385 Marseille, France.
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19
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Barros JHS, Almeida ABPF, Figueiredo FB, Sousa VRF, Fagundes A, Pinto AGS, Baptista C, Madeira MF. Occurrence of Trypanosoma caninum in areas overlapping with leishmaniasis in Brazil: what is the real impact of canine leishmaniasis control? Trans R Soc Trop Med Hyg 2012; 106:419-23. [PMID: 22579558 DOI: 10.1016/j.trstmh.2012.03.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2011] [Revised: 03/30/2012] [Accepted: 03/30/2012] [Indexed: 11/28/2022] Open
Abstract
Trypanosoma caninum is a parasite of the Trypanosoma genus recently described in the natural infection of dogs in the municipality of Rio de Janeiro, Brazil. Suspecting the existence of a natural cycle and the circulation of this new species, the objective of this study was the taxonomic identification of samples of Trypanosoma spp. isolated from dogs in different Brazilian regions. Parasites were solely obtained from skin fragments culture and characterized by nested-PCR targeting the partial sequence of 18S rRNA gene and PCR products were sequenced. Thirty-three samples, obtained in São Paulo, Minas Gerais, Goiás, Mato Grosso and Rio de Janeiro states were analyzed. PCR and sequencing showed that the isolates were genetically identical or closely similar and confirmed T. caninum identity. This report broadens the geographical distribution of T. caninum in Brazil and discusses the impact of the presence of this parasite in areas of canine leishmaniasis occurrence.
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Affiliation(s)
- J H S Barros
- Laboratório de Vigilância em Leishmanioses, Instituto de Pesquisa Clínica Evandro Chagas, Fundação Oswaldo Cruz, Av. Brasil, 4365, Manguinhos, Rio de Janeiro, RJ, Brasil.
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20
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Baptista C, Schubach AO, Madeira MF, Leal CA, Pires MQ, Oliveira FS, Conceição-Silva F, Rosalino CMV, Salgueiro MM, Pacheco RS. Leishmania (Viannia) braziliensis genotypes identified in lesions of patients with atypical or typical manifestations of tegumentary leishmaniasis: evaluation by two molecular markers. Exp Parasitol 2008; 121:317-22. [PMID: 19135053 DOI: 10.1016/j.exppara.2008.12.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2008] [Revised: 12/03/2008] [Accepted: 12/05/2008] [Indexed: 10/21/2022]
Abstract
Analyses of MLEE, RAPD and LSSP-PCR were used to compare the panel of american tegumentary leishmaniasis (ATL) isolates obtained from lesions of patients with rare clinical manifestations of the disease and typical lesions. All of the 34 samples analyzed by MLEE demonstrated similar electromorphic profiles with Leishmania (Viannia) braziliensis reference strain. Through the RAPD analysis, nine genetic profiles (genotypes) were identified. LSSP-PCR corroborates the initial screening and phenetic analysis has grouped the isolates into two major clusters comprising the nine different genotypes. Prevalent genotype defined as LbmtDNAgen1 was detected in the largest number of isolates. There was no association between genotypes and clinical symptoms. However, two different genotypes could be identified in the initial (LbmtDNAGen9) and reactivated lesion (LbmtDNAGen3) of the same patient. Our results support the idea of a less pronounced genotypic diversity among L. (V.) braziliensis circulating in the State of Rio de Janeiro and demonstrate the useful application of these molecular markers in genetics variability studies.
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Affiliation(s)
- C Baptista
- Centro de Referência em Leishmanioses, Instituto de Pesquisa Clínica Evandro Chagas, IPEC/Fiocruz, Av. Brasil, 4365, Rio de Janeiro, CEP 21040-900, Brazil.
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21
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Delgado T, Barosa C, Castro M, Geraldes C, Bastos M, Baptista C, Fagulha A, Barros L, Mota A, Carvalheiro M, Jones J, Merritt M. Sources of hepatic glucose production by2H2O ingestion and Bayesian analysis of2H glucuronide enrichment. Magn Reson Med 2008; 60:517-23. [DOI: 10.1002/mrm.21681] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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22
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Baptista C, Robert D, Duarte AP. Relationship between lignin structure and delignification degree in Pinus pinaster kraft pulps. Bioresour Technol 2008; 99:2349-56. [PMID: 17604620 DOI: 10.1016/j.biortech.2007.05.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2006] [Revised: 04/28/2007] [Accepted: 05/06/2007] [Indexed: 05/16/2023]
Abstract
This study examines the structure of residual and dissolved lignins from Pinus pinaster pulps obtained at different degrees of delignification by laboratory conventional kraft pulping. The cooking H factor was varied from 85 to 8049. The residual and dissolved lignin samples were characterised by elemental analysis, residual carbohydrate content, permanganate oxidation and 13C NMR spectroscopy. The reflectance factor of the pulps was also determined in order to tentatively correlate the delignification degree and residual lignin structure with the pulp colour. The obtained results confirmed that the delignification degree increases the condensation of the lignin structure, which might have an influence upon the observed increased pulp colour. The lack of selectivity of kraft pulping process in the case of more delignified pulps was also shown.
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Affiliation(s)
- C Baptista
- Department of Chemical and Environmental Engineering, Polytechnic Institute of Tomar, 2300-313 Tomar, Portugal
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23
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Madeira MF, Schubach A, Schubach TMP, Pacheco RS, Oliveira FS, Pereira SA, Figueiredo FB, Baptista C, Marzochi MCA. Mixed infection with Leishmania (Viannia) braziliensis and Leishmania (Leishmania) chagasi in a naturally infected dog from Rio de Janeiro, Brazil. Trans R Soc Trop Med Hyg 2006; 100:442-5. [PMID: 16257024 DOI: 10.1016/j.trstmh.2005.07.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2005] [Revised: 07/26/2005] [Accepted: 07/26/2005] [Indexed: 11/24/2022] Open
Abstract
We report here the first case of co-infection with Leishmania (Viannia) braziliensis and Leishmania (Leishmania) chagasi in a naturally infected dog from Rio de Janeiro, Brazil. Isoenzyme characterisation identified the parasites isolated in culture from the cutaneous lesion as L. (V.) braziliensis and the isolates from blood and lymph node as L. (L.) chagasi. PCR analysis using specific primers followed by molecular hybridisation for direct Leishmania species identification in tissue fragments confirmed the presence of L. (V.) braziliensis DNA in the cutaneous lesion and of L. (L.) chagasi DNA in spleen and popliteal lymph node fragments. This report emphasises the importance of identification of Leishmania species infecting seropositive dogs in endemic areas, and the consequent re-assessment of control and epidemiological surveillance measures for the control of leishmaniasis, as is the case in Brazil.
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Affiliation(s)
- M F Madeira
- Serviço de Parasitologia, Instituto de Pesquisa Clínica Evandro Chagas--FIOCRUZ, Av. Brasil 4365, 21045-900 Rio de Janeiro, RJ, Brazil.
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Bastos M, Baptista C, Campos MV, Alves R, Freitas L, Bastos C, Leitão P, Lemos M, Mota A, Furtado L, Carvalheiro M. Kidney transplantation and diabetes: posttransplantation malignancy. Transplant Proc 2003; 35:1098-9. [PMID: 12947874 DOI: 10.1016/s0041-1345(03)00324-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- M Bastos
- Departments of Endocrinologia and Diabetes, Hospitais da Universidade de Coimbra, Praceta Mota Pinto, 3000-075 Coimbra, Portugal
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25
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Loureiro H, Silva RS, Machado C, Bastos M, Baptista C, Alves R, Mota A, Furtado L, Carvalheiro M, Saldanha H. Kidney transplantation and posttransplantation diabetes: nutritional evaluation. Transplant Proc 2003; 35:1091-2. [PMID: 12947871 DOI: 10.1016/s0041-1345(03)00321-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- H Loureiro
- Departments of Alimentação e Dietética, Hospitais da Universidade de Coimbra, Praceta Mota Pinto, 3000-075 Coimbra, Portugal
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Bollag RJ, Crawford KB, Stadt H, Kumiski D, Zdanowicz M, Baptista C, Herlea V, Kirby ML. Use of a repetitive mouse B2 element to identify transplanted mouse cells in mouse-chick chimeras. Exp Cell Res 1999; 248:75-8. [PMID: 10094814 DOI: 10.1006/excr.1999.4401] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Monitoring the migrations of cells during embryonic development requires a system in which cells can be identified in situ during locomotion. One promising system involves the generation of chimeras by transplanting mouse cells into chick embryos in ovo to exploit the wealth of mouse genetic variants. The success of this technique relies on the ability to detect individual mouse cells in a chick environment with high specificity. The murine B2 family of short interspersed elements is present in the mouse genome at copy numbers in excess of 10(5), whereas this sequence is absent in the chick genome based on hybridization techniques. This differential of five orders of magnitude produces signals in mouse cells that are easily identified, even in an environment that is predominantly chick. Thus, the B2 repeat probe is highly effective for the purpose of identifying mouse cells in mouse-chick chimeras.
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Affiliation(s)
- R J Bollag
- Developmental Biology Program, Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia, 30912, USA.
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27
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Baptista C, Bastos M, Gomes L, Macário F, Ruas L, Rodrigues D, Alves R, Gomes H, Ferreira C, Roseiro A, Paiva S, Barros L, Carvalheiro M, Mota A, Furtado AL, Ruas MM. [Kidney transplantation in patients with type I and type II diabetes mellitus]. ACTA MEDICA PORT 1998; 11:943-6. [PMID: 10021792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
A total of 618 patients with end-stage renal disease received kidney transplants between 1980 and September 1996. Twenty eight of them were diabetics. Better results were achieved for type 1 diabetic patients than for type 2 (mortality: 5.9% vs 27.3%; functioning graft: 88.2% vs 72.7%). The morbility was also higher in those patients (infections: 81.8% vs 29.4%; vascular complications: 45.5% vs 17.6%). Actuarial patient and graft survival were lower for type 2 than for non diabetic patients. For type 1 diabetics the results are similar to those for non diabetics. Better results can probably be achieved by restricting the selection criteria. The decision to transplant or maintain on dialysis should be made on a case by case basis.
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Affiliation(s)
- C Baptista
- Serviço de Endocrinologia, Diabetes e Metabolismo, Hospitais da Universidade de Coimbra
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28
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Canena J, Leitão J, Turpin S, Penedo J, Pinto A, Reis J, Santos AM, Baptista C, Dias R, Ramos M, Quina M. [Refractory severe ulcerative colitis. Experience with cyclosporine]. ACTA MEDICA PORT 1998; 11:385-91. [PMID: 9644851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A case of severe ulcerative colitis refractory to steroid therapy is reported. The authors look at cyclosporine use in this clinical setting and make a short review of cyclosporine usefulness and major side effects.
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Affiliation(s)
- J Canena
- Serviço de Medicina Interna e Gastrenterologia, Faculdade de Ciências Médicas, Universidade Nova, Lisboa
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Bortolini MC, Baptista C, Callegari-Jacques SM, Weimer TA, Salzano FM. Diversity in protein, nuclear DNA, and mtDNA in South Amerinds--agreement or discrepancy? Ann Hum Genet 1998; 62:133-45. [PMID: 9759475 DOI: 10.1046/j.1469-1809.1998.6220133.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Two sets of markers and populations were considered in this study: (a) the variability at 17 protein loci and in the sequences of the first hypervariable segment of the mitochondrial DNA (mtDNA) were compared in 10 South American Indian tribes, in a total 3016 and 241 individuals, respectively; and (b) a triple comparison was made, in relation to 17 protein, mtDNA and six hypervariable tandem repeat loci in four Brazilian Indian tribes, involving 1567, 56 and 194 persons, respectively. Both the intrapopulational diversities and the population relationships obtained in these groups with these different sets of markers showed no significant correlation. High levels of heterogeneity were observed both at the protein and hypervariable individual loci, as well between mtDNA sites. The different positions observed for the Yanomama (but not for the other nine tribes) in the trees which summarized the protein and mtDNA data suggest some degree of asymmetric interchange related to sex between them and neighbouring tribes.
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Affiliation(s)
- M C Bortolini
- Genetics Department, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
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Baptista J, Mesquita A, Machado F, Palos J, Silva A, Almeida M, Figueiredo H, Baptista C, Seabra-Gomes R. [Kissing stenting--the initial experience and preliminary results]. Rev Port Cardiol 1997; 16:1019-22. [PMID: 9522624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- J Baptista
- Serviço de Cardiologia, Hospital de Santa Cruz, Carnaxide
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Abstract
Forty cases of carcinoid tumors of the lung were studied retrospectively from 1989-1993 in the Pathology Department of Hospital Pulido Valente in Lisbon. The mean age of patients was 44 years old, and the presenting symptoms included hemoptysis, cough, thoracic pain, fever, and dyspnea. An endobronchial mass was seen in 75% of the cases. The histopathological study was based on the following morphological criteria: disorganized architecture with increased cellularity (8 cases; 20%), nuclear pleomorphism (14 cases; 22%), the presence of coarse chromatin (19 cases; 30%), increased mitotic activity (13 cases; 21%), enlarged nucleoli (17 cases; 27%), necrosis (12 cases; 25%), vascular permeation (8 cases; 15%), distant metastasis (6 cases; 14%). Chromogranin was the most strongly reliable immunostaining for the diagnosis. In our series the initial routine diagnosis and the diagnosis after morphological criteria evaluation matched, and in 14 cases the final diagnosis was of atypical carcinoids.
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Affiliation(s)
- C Mendonca
- Pneumology Department, Hospital Pulido Valente, Lisboa, Portugal
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Gil M, Gonçalves E, Faria C, Almada V, Baptista C, Carreiro H. Embryonic and larval development of the giant gobyGobius cobitis(Pisces: Gobiidae). J NAT HIST 1997. [DOI: 10.1080/00222939700770391] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Formanowicz D, Ricks J, Baptista C. Prey availability and the search behaviour of the scorpion Diplocentrus peloncillensis. ETHOL ECOL EVOL 1991. [DOI: 10.1080/08927014.1991.9525360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mesquita QH, Reis JP, Kerbrie SV, Mari SM, Baptista C. [Wedensky facilitation and effect during bundle-branch block]. Arq Bras Cardiol 1971; 24:41-7. [PMID: 4114616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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de Mesquita QH, Reis JP, Kerbrie SV, Mari SM, Baptista C, Maciel LR. [Bundle-branch block related to bradycardia]. Arq Bras Cardiol 1971; 24:15-20. [PMID: 5139768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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