Examinando por Autor "Valenzuela-Fuenzalida, Juan Jose"

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    Clinical Characteristics of Neuropathic Pain and Its Relationship with Cancer in Different Corporal Areas—A Systematic Review
    (Multidisciplinary Digital Publishing Institute (MDPI), 0025-01) Danés-López, Fernanda; Diaz-Palominos, Cristóbal; Ortiz Domínguez, Anggie; Silva Rodriguez, Alanna; Astorga, Constanza; Martínez-Hernández, Daniela; Valenzuela-Fuenzalida, Juan Jose; Sanchis-Gimeno, Juan; Nova-Baeza, Pablo; Suazo-Santibáñez, Alejandra; Oyanedel-Amaro, Gustavo; Orellana-Donoso, Mathias
    Background: Neuropathic pain (NP) and cancer are caused by nerve damage due to cancer or treatments such as chemotherapy, radiotherapy, and surgery, with a prevalence that can reach up to 40%. Causes of neuropathic cancer pain (NCP) include direct nerve invasion or compression by the tumor, as well as neural toxicity associated with treatments. This type of pain is classified into several categories, such as plexopathy, radiculopathy, and peripheral neuropathies. Methods: Medline, Web of Science, Google Scholar, CINAHL, and LILACS databases were searched until October 2024. Two authors independently performed the search, study selection, and data extraction. Methodological quality was analyzed using the Robins-I tool. Results: The main findings of this review indicate that, depending on the cancer type, neuropathic pain will exhibit different characteristics, as well as identifying which types of cancer have a higher probability of presenting neuropathic pain. Additionally, there is a direct relationship whereby the more advanced the cancer, the greater the likelihood of experiencing neuropathic pain. Finally, although chemotherapy is employed as a cancer treatment, this therapy is quite invasive, and one of its adverse effects is that treated patients have a higher probability of developing neuropathic pain. Conclusions: Neuropathic pain is a condition that adversely affects patients with cancer. A detailed understanding of the relationships and triggers that produce this condition is present in only a small percentage of patients with cancer and is necessary to provide better treatment and gain a more comprehensive understanding of the characteristics of neuropathic pain. The objective of this study is to describe the relationship between different types of cancer or various treatments and the presence of NP. © 2025 by the authors.
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    Clinical Characteristics of Neuropathic Pain and Its Relationship with Cancer in Different Corporal Areas—A Systematic Review
    (Multidisciplinary Digital Publishing Institute (MDPI), 0025-01) Danés-López, Fernanda; Diaz-Palominos, Cristóbal; Ortiz Domínguez, Anggie; Silva Rodriguez, Alanna; Astorga, Constanza; Martínez-Hernández, Daniela; Valenzuela-Fuenzalida, Juan Jose; Sanchis-Gimeno, Juan; Nova-Baeza, Pablo; Suazo-Santibáñez, Alejandra; Oyanedel-Amaro, Gustavo; Orellana-Donoso, Mathias
    Background: Neuropathic pain (NP) and cancer are caused by nerve damage due to cancer or treatments such as chemotherapy, radiotherapy, and surgery, with a prevalence that can reach up to 40%. Causes of neuropathic cancer pain (NCP) include direct nerve invasion or compression by the tumor, as well as neural toxicity associated with treatments. This type of pain is classified into several categories, such as plexopathy, radiculopathy, and peripheral neuropathies. Methods: Medline, Web of Science, Google Scholar, CINAHL, and LILACS databases were searched until October 2024. Two authors independently performed the search, study selection, and data extraction. Methodological quality was analyzed using the Robins-I tool. Results: The main findings of this review indicate that, depending on the cancer type, neuropathic pain will exhibit different characteristics, as well as identifying which types of cancer have a higher probability of presenting neuropathic pain. Additionally, there is a direct relationship whereby the more advanced the cancer, the greater the likelihood of experiencing neuropathic pain. Finally, although chemotherapy is employed as a cancer treatment, this therapy is quite invasive, and one of its adverse effects is that treated patients have a higher probability of developing neuropathic pain. Conclusions: Neuropathic pain is a condition that adversely affects patients with cancer. A detailed understanding of the relationships and triggers that produce this condition is present in only a small percentage of patients with cancer and is necessary to provide better treatment and gain a more comprehensive understanding of the characteristics of neuropathic pain. The objective of this study is to describe the relationship between different types of cancer or various treatments and the presence of NP. © 2025 by the authors.
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    Hepatic Hilum Variations and Their Clinical Considerations in the Liver: A Systematic Review and Meta-Analysis
    (Multidisciplinary Digital Publishing Institute (MDPI), 0024-10) Valenzuela-Fuenzalida, Juan Jose; Pena-Santibañez, Fernanda; Vergara Salinas, Ayline; Meneses Caroca, Trinidad; Rojo-Gonzalez, Javiera; Orellana-Donoso, Mathias Ignacio; Nova-Baeza, Pablo; Suazo-Santibañez, Alejandra; Sanchis-Gimeno, Juan; Gutierrez-Espinoza, Hector
    Background: The liver has a region called the hepatic hilum (HH) where structures enter and exit: anteriorly, the left and right hepatic ducts; posteriorly, the portal vein; and between these, the left and right hepatic arteries. The objective of this review is to know how variants in structures of the hepatic hilum are associated with clinical alterations of the liver. Methods: The databases Medline, Scopus, Web of Science, Google Scholar, CINAHL, and LILACS were researched until January 2024. The methodological quality was evaluated with an assurance tool for anatomical studies (AQUA). The pooled prevalence was estimated using a random effects model. Results: A total of six studies met the selection criteria established in this study for meta-analysis. The prevalence of hepatic hilus variants was 9% (CI = 5% to 13%), and the heterogeneity was 83%. The other studies were analyzed descriptively and with their respective clinical considerations in the presence of the variant, such as the high incidence of the Michels type III variant; among the portal vein variants, the type III variant of the Cheng classification stands out and in biliary anatomy, and the IIIa variant stands out according to the Choi classification. Conclusions: This review allowed us to know in detail the anatomical variants of HH; the structure with which the greatest care should be taken is the hepatic artery because of the probability of metastatic processes due to increased blood distribution in the hepatic lobules. Finally, we believe that new anatomical and clinical studies are needed to improve our knowledge of the relationship between HH variants and liver alterations or surgeries. © 2024 by the authors.