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By comparing the incidence of PONV, the dosage of postoperative antiemetic drugs, the postoperative VAS score and the utilization rate of PCIA of hemophilia A patients in the NLR≥2 and NLR<2 groups, investigators could find out the high value in the diagnosis of hemophilia A, which is helpful to guide the clinical diagnosis and treatment of hemophilia A.
Hemophilia arthropathy is a debilitating complication of hemophilia that occurs primarily in severe forms with recurrent spontaneous intra-articular hemorrhage, with the knee being the most commonly affected joint. Currently, total knee arthroplasty is the standard treatment for end-stage hemophilic arthropathy. Due to the special disease of hemophilia, general anesthesia is often chosen as the preferred anesthesia method, and the risk of bleeding is lower than that of neuraxial anesthesia. However, 20 to 30 percent of surgical patients suffer from post-operative nausea and vomiting after general anesthesia. Neutrophil to lymphocyte ratio and platelet to lymphocyte ratio have been suggested as parameters for the diagnosis and follow-up of inflammatory diseases, and inflammation has been found to increase the risk of PONV. However, for patients with hemophilia, no information is currently available on the relationship between the two. In this study, investigators intend to retrospectively analyze the clinical data of patients with hemophilia A in our hospital, explore the clinical value of preoperative NLR and PLR in predicting nausea and vomiting after TKA.
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| Measure | Description | Time Frame |
|---|---|---|
| Incidence of PONV in patients with hemophilia A receiving general anesthesia orders for knee arthroplasty | PONV was defined as the onset of nausea or vomiting within 24 hours after surgery | up to 24 hours after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| The amount of postoperative antiemetics | antiemetics includes ondansetron, metoclopramide, dexamethasone | up to 24 hours after surgery |
| VAS score after returning to the ward | postoperative pain can be evaluated using the visual analogue scale (0-10 score, 0: no pain, 10: worst imaginable pain). |
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Inclusion Criteria:
Exclusion Criteria:
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Hemophilia A patients who underwent single knee replacement under general anesthesia in the First Affiliated Hospital of Shandong First Medical University from March 2018 to February 2022
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Yuelan Wang | Contact | 15953105780 | wyldgf@163.com |
| Name | Affiliation | Role |
|---|---|---|
| Yuelan Wang | China, Shandong Qianfoshan Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Shandong Provincial Qianfoshan Hospital, The First Hospital affiliated of Shandong First Medical University | Jinan | Shandong | 250000 | China |
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| ID | Term |
|---|---|
| D006467 | Hemophilia A |
| D014839 | Vomiting |
| ID | Term |
|---|---|
| D025861 | Blood Coagulation Disorders, Inherited |
| D001778 | Blood Coagulation Disorders |
| D006402 | Hematologic Diseases |
| D006425 | Hemic and Lymphatic Diseases |
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| immediately after returning to the ward |
| Usage of PCIA | the use of postoperative patient controlled intravenous analgesia | up to 24 hours after surgery |
| D020147 | Coagulation Protein Disorders |
| D006474 | Hemorrhagic Disorders |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D012817 | Signs and Symptoms, Digestive |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |