Is it necessary to have blood tests during post-operative follow-up?

Mar 18, 2025 Source: Cainiu Health

Dr. Liu Feng

Introduction

Postoperative follow-up blood tests are usually necessary, as they allow analysis of blood abnormalities through indicators such as red blood cells and white blood cells, helping determine whether the patient has developed infections, bleeding, or other conditions after surgery. Additionally, potential issues such as allergic purpura and anemia can be preliminarily identified, aiding physicians in assessing recovery and determining subsequent treatment plans.

Generally, blood tests are conducted through blood draws for screening purposes, including routine blood tests and blood biochemistry tests. Follow-up blood tests after surgery are necessary. Detailed analysis is as follows:

Blood tests primarily involve collecting blood samples from a finger prick or vein. Follow-up blood testing after surgery can analyze indicators such as red blood cells, white blood cells, hemoglobin, and platelets to detect any abnormalities in the patient's blood and identify possible infection or bleeding. These tests also help assess whether liver and kidney functions have been compromised. Additionally, postoperative blood tests may help detect other potential conditions, such as concomitant allergic purpura or anemia. Moreover, they assist doctors in evaluating the patient's recovery status and determining subsequent treatment plans and hospitalization duration. Therefore, follow-up blood tests after surgery are necessary.

To ensure safety, it is recommended to consult a doctor before undergoing blood tests and to follow the doctor's instructions accordingly. Additionally, proper wound care should be taken after the test, and contact with water should be avoided too soon.

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