Arrahidah, Nisrina Zahiyah (2026) Gambaran Nilai aPTT (Activated Partial Thromboplastin Time) pada Pasien Pre-Operasi sebagai Faktor Risiko Perdarahan di RSUD Haji Provinsi Jawa Timur. Diploma thesis, Universitas Muhammadiyah Surabaya.
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Abstract
Pemeriksaan Activated Partial Thromboplastin Time (aPTT) merupakan salah satu pemeriksaan hemostasis yang digunakan untuk menilai jalur intrinsik dan jalur bersama pembekuan darah. Pemeriksaan ini berperan penting sebagai bagian dari skrining pre-operasi untuk mendeteksi gangguan koagulasi yang berpotensi meningkatkan risiko perdarahan selama maupun setelah tindakan pembedahan. Penelitian ini bertujuan untuk mengetahui gambaran nilai aPTT pada pasien pre operasi di Laboratorium Patologi Klinik RSUD Haji Provinsi Jawa Timur. Penelitian menggunakan metode deskriptif dengan pendekatan retrospektif melalui pengambilan data sekunder hasil pemeriksaan aPTT pasien pre-operasi periode November 2025 hingga Maret 2026. Sampel penelitian berjumlah 300 pasien yang dipilih menggunakan teknik total sampling. Data dianalisis secara deskriptif dengan menghitung frekuensi, persentase, nilai rata-rata, nilai minimum, dan nilai
maksimum. Hasil penelitian menunjukkan bahwa rata-rata nilai aPTT sebesar 25,13 detik, nilai terendah 9,9 detik, dan nilai tertinggi 33,2 detik. Berdasarkan interpretasi hasil, sebanyak 183 pasien (61%) memiliki nilai aPTT normal, 116 pasien (39%) memiliki nilai aPTT memendek, dan 1 pasien (0,33%) memiliki nilai aPTT memanjang. Berdasarkan karakteristik responden, pasien didominasi oleh perempuan sebanyak 182 orang (60,67%) dan kelompok usia dewasa (19–59 tahun) sebanyak 199 orang (66,33%). Sebagian besar pasien pre-operasi memiliki nilai aPTT dalam kategori normal sehingga menunjukkan fungsi jalur intrinsik pembekuan darah yang masih baik, meskipun tetap ditemukan sebagian kecil pasien dengan hasil abnormal yang memerlukan perhatian dalam evaluasi risiko perdarahan sebelum operasi.
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The Activated Partial Thromboplastin Time (aPTT) test is one of the hemostasis tests used to assess the intrinsic and common pathways of blood coagulation. This examination plays an important role as part of pre-operative screening to detect coagulation disorders that may increase the risk of bleeding during or after surgical
procedures. This study aims to determine the profile of aPTT values in pre-operative patients at the Clinical Pathology Laboratory of RSUD Haji, East Java Province.
The research uses a descriptive method with a retrospective approach, using secondary data from aPTT examination results of pre-operative patients from
November 2025 to March 2026. The research sample consisted of 300 patients selected using the total sampling technique. The data were analyzed descriptively
by calculating frequencies, percentages, means, minimum values, and maximum values. The research results show that the average aPTT is 25.13 seconds, the lowest is 9.9 seconds, and the highest is 33.2 seconds. Based on the results, 183 patients (61%) had normal aPTT values, 116 patients (39%) had shortened aPTT values, and
1 patient (0.33%) had prolonged aPTT values. Based on the characteristics of the respondents, the patients were predominantly female, with 182 individuals (60.67%), and the adult age group (19–59 years) with 199 individuals (66.33%). Most pre-operative patients had normal aPTT values, indicating that the intrinsic pathway of blood coagulation remained functional. However, a small number with abnormal results were identified, warranting attention when evaluating the risk of bleeding before surgery.
| Item Type: | Thesis (Diploma) |
|---|---|
| Uncontrolled Keywords: | Activated Partial Thromboplastin Time (aPTT), pre-operasi, hemostasis, risiko perdarahan, koagulasi, Activated Partial Thromboplastin Time (aPTT), pre-operative, hemostasis, bleeding risk, coagulation |
| Subjects: | R Medicine > R Medicine (General) R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine R Medicine > RB Pathology |
| Divisions: | 04. Fakultas Ilmu Kesehatan > D3 Ahli Teknologi Laboratorium Medis |
| Depositing User: | NISRINA ZAHIYAH ARRAHIDAH |
| Date Deposited: | 04 Sep 2026 04:00 |
| Last Modified: | 04 Sep 2026 04:00 |
| URI: | https://repository.um-surabaya.ac.id/id/eprint/13685 |
