Cancer medical interventions aim to cure the disease, prolong life, or palliate symptoms. Treatment plans depend heavily on the cancer type, staging, and overall physiological status of the patient. Multidisciplinary teams often combine modalities like surgery, systemic therapies, and radiation to achieve the best clinical outcomes. Systemic therapies travel through the bloodstream to target malignant cells throughout the body, making them essential for metastatic disease.
Chemotherapy uses cytotoxic drugs to disrupt the cell cycle and destroy rapidly dividing cells. Because these medications cannot differentiate between malignant cells and healthy rapidly dividing tissues like bone marrow and gastrointestinal mucosa, adverse effects are common. Nurses must follow strict safety protocols during preparation and administration.
Targeted therapy focuses on specific molecular features, proteins, or genes that drive cancer growth, sparing normal tissues. Immunotherapy stimulates the patient's own immune system to recognize and destroy cancer cells by blocking immune checkpoints or enhancing T-cell function. These treatments require careful monitoring for immune-related adverse events, which can affect any organ system.
Hormone therapy is utilized for cancers that are sensitive to hormones, such as certain breast and prostate cancers. The primary goal is to block the body's natural hormones or lower their production to starve hormone-receptor-positive tumors. Nursing assessments must include monitoring for endocrine-related side effects like hot flashes, bone density loss, and mood changes.
Radiation therapy uses high-energy rays to damage the DNA of cancer cells within a precise, localized treatment field. Nurses caring for patients undergoing external beam radiation must monitor the skin within the treatment port for radiation dermatitis. Skin care involves gentle cleansing, avoiding harsh chemicals, and protecting the area from sun exposure.
Cancer treatments frequently induce adverse systemic effects that require prompt nursing intervention. Myelosuppression increases infection and bleeding risks, while gastrointestinal toxicities lead to nausea, vomiting, and mucositis.
Acute complications from cancer or its treatment can become life-threatening medical emergencies. Nurses must recognize early signs of conditions like spinal cord compression, superior vena cava obstruction, and tumor lysis syndrome. Tumor lysis syndrome releases intracellular ions into the bloodstream, causing hyperkalemia, hyperphosphatemia, and hypocalcemia.
Palliative care focuses on improving the quality of life for patients facing advanced, life-limiting illnesses. Effective symptom management requires addressing physical discomfort like pain, dyspnea, and fatigue alongside psychological distress. Opioid analgesics are the cornerstone of cancer pain management, and nurses must administer them proactively while managing side effects like constipation.