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Podcast 896: Cancer-Related Emergencies
Manage episode 408751596 series 1397179
Contributor: Travis Barlock, MD
Educational Pearls:
Cancer-related emergencies can be sorted into a few buckets:
Infection
Cancer itself and the treatments (chemotherapy/radiation) can be immunosuppressive. Look out for conditions such as sepsis and neutropenic fever.
Obstruction
Cancer causes a hypercoagulable state. Look out for blood clots which can cause emergencies such as a pulmonary embolism, stroke, superior vena cava (SVC) syndrome, and cardiac tamponade.
Metabolic
Cancer can affect the metabolic system in a variety of ways. For example, certain cancers like bone cancers can stimulate the bones to release large amounts of calcium leading to hypercalcemia. Tumor lysis syndrome is another consideration in which either spontaneously or due to treatment, tumor cells will release large amounts of electrolytes into the bloodstream causing hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia.
Medication side effect
Immunomodulators can have strange side effects. A common one to know is Keytruda (pembrolizumab), which can cause inflammation in any organ. So if you have a cancer patient on immunomodulators with any inflammatory changes (cystitis, colitis, pneumonitis, etc), talk to oncology about whether steroids are indicated.
Chemotherapy can cause tumor lysis syndrome (see above), and multiple chemotherapeutics are known to cause heart failure (doxorubicin, trastuzumab), kidney failure (cisplatin), and pulmonary toxicity (bleomycin).
References
Campello, E., Ilich, A., Simioni, P., & Key, N. S. (2019). The relationship between pancreatic cancer and hypercoagulability: a comprehensive review on epidemiological and biological issues. British journal of cancer, 121(5), 359–371. https://doi.org/10.1038/s41416-019-0510-x
Gyamfi, J., Kim, J., & Choi, J. (2022). Cancer as a Metabolic Disorder. International journal of molecular sciences, 23(3), 1155. https://doi.org/10.3390/ijms23031155
Kwok, G., Yau, T. C., Chiu, J. W., Tse, E., & Kwong, Y. L. (2016). Pembrolizumab (Keytruda). Human vaccines & immunotherapeutics, 12(11), 2777–2789. https://doi.org/10.1080/21645515.2016.1199310
Wang, S. J., Dougan, S. K., & Dougan, M. (2023). Immune mechanisms of toxicity from checkpoint inhibitors. Trends in cancer, 9(7), 543–553. https://doi.org/10.1016/j.trecan.2023.04.002
Zimmer, A. J., & Freifeld, A. G. (2019). Optimal Management of Neutropenic Fever in Patients With Cancer. Journal of oncology practice, 15(1), 19–24. https://doi.org/10.1200/JOP.18.00269
Summarized by Jeffrey Olson MS2 | Edited by Meg Joyce & Jorge Chalit, OMSII
1056 에피소드
Manage episode 408751596 series 1397179
Contributor: Travis Barlock, MD
Educational Pearls:
Cancer-related emergencies can be sorted into a few buckets:
Infection
Cancer itself and the treatments (chemotherapy/radiation) can be immunosuppressive. Look out for conditions such as sepsis and neutropenic fever.
Obstruction
Cancer causes a hypercoagulable state. Look out for blood clots which can cause emergencies such as a pulmonary embolism, stroke, superior vena cava (SVC) syndrome, and cardiac tamponade.
Metabolic
Cancer can affect the metabolic system in a variety of ways. For example, certain cancers like bone cancers can stimulate the bones to release large amounts of calcium leading to hypercalcemia. Tumor lysis syndrome is another consideration in which either spontaneously or due to treatment, tumor cells will release large amounts of electrolytes into the bloodstream causing hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia.
Medication side effect
Immunomodulators can have strange side effects. A common one to know is Keytruda (pembrolizumab), which can cause inflammation in any organ. So if you have a cancer patient on immunomodulators with any inflammatory changes (cystitis, colitis, pneumonitis, etc), talk to oncology about whether steroids are indicated.
Chemotherapy can cause tumor lysis syndrome (see above), and multiple chemotherapeutics are known to cause heart failure (doxorubicin, trastuzumab), kidney failure (cisplatin), and pulmonary toxicity (bleomycin).
References
Campello, E., Ilich, A., Simioni, P., & Key, N. S. (2019). The relationship between pancreatic cancer and hypercoagulability: a comprehensive review on epidemiological and biological issues. British journal of cancer, 121(5), 359–371. https://doi.org/10.1038/s41416-019-0510-x
Gyamfi, J., Kim, J., & Choi, J. (2022). Cancer as a Metabolic Disorder. International journal of molecular sciences, 23(3), 1155. https://doi.org/10.3390/ijms23031155
Kwok, G., Yau, T. C., Chiu, J. W., Tse, E., & Kwong, Y. L. (2016). Pembrolizumab (Keytruda). Human vaccines & immunotherapeutics, 12(11), 2777–2789. https://doi.org/10.1080/21645515.2016.1199310
Wang, S. J., Dougan, S. K., & Dougan, M. (2023). Immune mechanisms of toxicity from checkpoint inhibitors. Trends in cancer, 9(7), 543–553. https://doi.org/10.1016/j.trecan.2023.04.002
Zimmer, A. J., & Freifeld, A. G. (2019). Optimal Management of Neutropenic Fever in Patients With Cancer. Journal of oncology practice, 15(1), 19–24. https://doi.org/10.1200/JOP.18.00269
Summarized by Jeffrey Olson MS2 | Edited by Meg Joyce & Jorge Chalit, OMSII
1056 에피소드
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