Perawat Spesialis Medikal Bedah berperan penting dalam praktik keperawatan sebagai pemberi asuhan keperawatan kompleks, melakukan analisa ilmiah dan pembuktian ilmiah serta sebagai agen pembaharu. Melalui tulisan ini digambarkan pemberian asuhan keperawatan kepada pasien dengan diagnosis Chronic Limb Threatening Ischemia. Tujuan dari penulisan ini adalah memberikan gambaran praktek keperawatan spesialis medikal bedah menggunakan pendekatan Model Adaptasi Roy. Dari hasil pengumpulan data dan pemeriksaan fisik didapatkan 10 diagnosis keperawatan. Pemberian asuhan keperawatanpun dilakukan kepada 30 pasien sebagai kasus resume, diperoleh perilaku maladaptif pada mode fisiologis dengan diagnose terbanyak yaitu resiko infeksi dan nyeri kronik. Evidence Based Nursing dengan melakukan foot exercises kepada 8 pasien yang mengalami ulkus kaki diabetik dengan hasil yang signifikan terhadap perubahan ukuran luka. Program inovasi menerapkan Hypoglycemia-Nursing Early Warning Score System pada pasien diabetes melitus tipe 2 yang terbukti memudahkan perawat menilai resiko kejadian hipoglikemi berat selama 1 tahun. Pendekatan Model Adaptasi Roy berpengaruh besar terhadap profesi keperawatan. Model ini menjadi salah satu yang banyak digunakan dalam penelitian, pendidikan dan pelayanan keperawatan.

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Surgical Medical Specialist Nurses play an important role in nursing practice as a provider of advanced nursing care, conduct scientific analysis and scientific evidence and as a reforming agent. Through of this paper we describe the provision of nursing care to patients with a diagnosis of Chronic Limb Threatening Ischemia. The purpose of this paper is to provide an overview of the nursing practice of Surgical Medical Specialists using Roy's Adaptation Model approach. From the results of data collection and physical examination obtained 10 nursing diagnoses. In nursing care was provided to 30 patients as a case of resume, obtained maladaptive behavior in physiological mode with the most diagnoses, the risk of infection and chronic pain. Evidence Based Nursing by performing foot exercises on 8 patients who suffered diabetic foot ulcers with significant results on changes in wound size. The innovative program implementated the Hypoglycemia-Nursing Early Warning Score System in patients with type 2 diabetes mellitus which was proven to make it easier for nurses to assess the risk of severe hypoglycemic events for 1 year. Roy's Adaptation Model approach greatly influencing the nursing profession. This model is one that was widely used in research, education and nursing services