{"schema_version":"bookimed.page-context.v1","id":"surgeon-bookimed-3952","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-3952/","json_url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-3952/#page-context","content_revision":"prepared-registry-v2","date_modified":"2026-10-21","language":"en","kind":"doctor-profile","title":"Klaus Kaczirek","summary":"Klaus Kaczirek is a general surgeon at Wiener Privatklinik (WPK) in Vienna, Austria. He began working in 2001. Operations to discuss with Klaus Kaczirek include liver resection. His publications address the volume of colorectal cancer metastases in the liver and changes after preoperative treatment (2025), von Willebrand factor antigen in patients undergoing liver cancer resection (2020), and indocyanine green clearance testing in relation to liver dysfunction after resection (2019). You can send an inquiry about Klaus Kaczirek through the named Bookimed doctor page: https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/.","research_credit":{"name":"Yevhenii Kozlov","role":"Co-Founder of Bookimed","url":"https://us-uk.bookimed.com/ceo/kozlov/","contribution":"Research project led","assistance":"For me, helping patients find the best medical care is a personal responsibility. This guide is built by a process we designed to do the hard part — reading the research, comparing surgeons and clinics, checking real offers — and to make the result simple and clear for every patient. AI tools do much of the work; every fact links to its source."},"editorial_scope":"Source-linked research and public provider information. Individual treatment requires clinical assessment.","research_method":"How this guide is researched and compared Research project led by Yevhenii Kozlov .","sections":[{"id":"narrative-orientation","title":"About the specialist and your treatment","text":"About the specialist and your treatment Klaus Kaczirek is a general surgeon at Wiener Privatklinik (WPK) in Vienna, Austria. He began working in 2001. Operations to discuss with Klaus Kaczirek include liver resection. His publications address the volume of colorectal cancer metastases in the liver and changes after preoperative treatment (2025), von Willebrand factor antigen in patients undergoing liver cancer resection (2020), and indocyanine green clearance testing in relation to liver dysfunction after resection (2019). You can send an inquiry about Klaus Kaczirek through the named Bookimed doctor page: https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/. Sources (4) Klaus Kaczirek Total Metastases Volume and Relative Volume Reduction After Neoadjuvant Therapy Predict Outcome After Liver Resection of Colorectal Liver Metastases. von Willebrand Factor Antigen Predicts Outcomes in Patients after Liver Resection of Hepatocellular Carcinoma. The value of indocyanine green clearance assessment to predict postoperative liver dysfunction in patients undergoing liver resection.","links":[{"label":"Klaus Kaczirek","url":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/"},{"label":"Total Metastases Volume and Relative Volume Reduction After Neoadjuvant Therapy Predict Outcome After Liver Resection of Colorectal Liver Metastases.","url":"https://pubmed.ncbi.nlm.nih.gov/40274707/"},{"label":"von Willebrand Factor Antigen Predicts Outcomes in Patients after Liver Resection of Hepatocellular Carcinoma.","url":"https://pubmed.ncbi.nlm.nih.gov/30428508/"},{"label":"The value of indocyanine green clearance assessment to predict postoperative liver dysfunction in patients undergoing liver resection.","url":"https://pubmed.ncbi.nlm.nih.gov/31182746/"}]},{"id":"specialists","title":"Operations offered","text":"Operations offered Specialist Clinic Operations and experience Ask about treatment Klaus Kaczirek Wiener Privatklinik (WPK) Vienna, Austria Liver resection In practice since 2001 Ask about treatment Sources (1) Klaus Kaczirek","links":[{"label":"","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-3952/"},{"label":"Klaus Kaczirek","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-3952/"},{"label":"Wiener Privatklinik (WPK)","url":"https://hub.bookimed.com/oncologic-surgery/clinic-46/"},{"label":"Klaus Kaczirek","url":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/"}],"tables":[[["Specialist","Clinic","Operations and experience","Ask about treatment"],["Klaus Kaczirek","Wiener Privatklinik (WPK) Vienna, Austria","Liver resection In practice since 2001","Ask about treatment"]]]},{"id":"research","title":"Research and sources","text":"Research and sources Sources (3) Total Metastases Volume and Relative Volume Reduction After Neoadjuvant Therapy Predict Outcome After Liver Resection of Colorectal Liver Metastases. von Willebrand Factor Antigen Predicts Outcomes in Patients after Liver Resection of Hepatocellular Carcinoma. The value of indocyanine green clearance assessment to predict postoperative liver dysfunction in patients undergoing liver resection.","links":[{"label":"Total Metastases Volume and Relative Volume Reduction After Neoadjuvant Therapy Predict Outcome After Liver Resection of Colorectal Liver Metastases.","url":"https://pubmed.ncbi.nlm.nih.gov/40274707/"},{"label":"von Willebrand Factor Antigen Predicts Outcomes in Patients after Liver Resection of Hepatocellular Carcinoma.","url":"https://pubmed.ncbi.nlm.nih.gov/30428508/"},{"label":"The value of indocyanine green clearance assessment to predict postoperative liver dysfunction in patients undergoing liver resection.","url":"https://pubmed.ncbi.nlm.nih.gov/31182746/"}]},{"id":"request","title":"Request a treatment proposal","text":"Request a treatment proposal Share your diagnosis and reports through the Bookimed request form.","links":[]},{"id":"request-form","title":"Ask about treatment","text":"Ask about treatment What would you like help with? Answer a few questions on Bookimed, then add your contact details to request help. Privacy policy Open the Bookimed request form","links":[{"label":"Privacy policy","url":"https://us-uk.bookimed.com/page/privacy-policy/"}]}],"introduction":"Oncologic surgery guide / Klaus Kaczirek Surgeon profile Klaus Kaczirek Klaus Kaczirek is a general surgeon at Wiener Privatklinik (WPK) in Vienna, Austria. Research project led by Yevhenii Kozlov · Co-Founder of Bookimed Updated 21 October 2026 Sources linked throughout Portrait source ↗ Klaus Kaczirek Wiener Privatklinik (WPK) → Vienna · Austria Profile on Bookimed","related_documents":[{"id":"oncologic-surgery","title":"Oncologic surgery: explore care by organ","kind":"home","url":"https://hub.bookimed.com/oncologic-surgery/","json_url":"https://hub.bookimed.com/oncologic-surgery/page-contexts/oncologic-surgery.json"},{"id":"clinic-46","title":"Wiener Privatklinik (WPK)","kind":"clinic-profile","url":"https://hub.bookimed.com/oncologic-surgery/clinic-46/","json_url":"https://hub.bookimed.com/oncologic-surgery/clinic-46/#page-context"}],"entity":{"id":"bookimed:3952","name":"Klaus Kaczirek","source_ids":["ref.ad8ad0c985894bf5afca"],"bookimed_doctor_id":3952,"programme_id":"clinic.bookimed.46","topics":["pancreas_liver","operation-450"],"operation_ids":[450],"operations":[{"operation_id":450,"methods":[{"id":"oncosurgery.op450","method":"Liver resection","synonyms":["hepatectomy"]}]}],"procedure_relevance":["Liver resection"],"method_links":[{"clinical_method_id":"oncosurgery.op450"}],"profile":{"intro":"","current_role_note":""},"profile_slug":"surgeon-bookimed-3952","official_url":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/","role":"","discipline":"","directory_eligible":true,"inquiry_route":{"appointment_availability":"not_asserted","bookability_basis":{"clinic_hide":0,"doctor_hide":0,"has_active_agencies":1},"public_doctor_url":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/","reasons":[],"source":{"body_path":"results/topic_oncosurgery/data/bookimed_pages/3952.html","bytes":1003511,"content_type":"text/html;charset=utf-8","doctor_id":3952,"final_url":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/","http_status":200,"public_unauthenticated_get":true,"sha256":"684fe3e15ff9ef51f8c645c445085ff88bc8d15603d76524fda475c5718cddf6","url":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/"},"status":"verified_active_named_inquiry_route"},"year_start_work":2001,"portrait":{"url":"https://hub.bookimed.com/wp-content/uploads/oncologic-surgery-hub/media/provider-918323bcdb6dfa956b2aa50fe767934a434389ff5e2e918ff83af093894d9a2b.jpg","width":480,"height":600,"alt":"Klaus Kaczirek","source_page":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/"}},"page_context":true,"source_ids":["ref.ad8ad0c985894bf5afca","ref.199a46f8a622a2a500f7","ref.83a62b09d47799ce0c53","ref.720c4175fd50fc7be929"],"images":[],"sources":{"ref.ad8ad0c985894bf5afca":{"id":"ref.ad8ad0c985894bf5afca","source_ids":["ref.ad8ad0c985894bf5afca"],"url":"https://us-uk.bookimed.com/doctor/dr-klaus-kaczirek/","title":"Klaus Kaczirek"},"ref.199a46f8a622a2a500f7":{"id":"ref.199a46f8a622a2a500f7","source_ids":["ref.199a46f8a622a2a500f7"],"url":"https://pubmed.ncbi.nlm.nih.gov/40274707/","title":"Total Metastases Volume and Relative Volume Reduction After Neoadjuvant Therapy Predict Outcome After Liver Resection of Colorectal Liver Metastases."},"ref.83a62b09d47799ce0c53":{"id":"ref.83a62b09d47799ce0c53","source_ids":["ref.83a62b09d47799ce0c53"],"url":"https://pubmed.ncbi.nlm.nih.gov/30428508/","title":"von Willebrand Factor Antigen Predicts Outcomes in Patients after Liver Resection of Hepatocellular Carcinoma."},"ref.720c4175fd50fc7be929":{"id":"ref.720c4175fd50fc7be929","source_ids":["ref.720c4175fd50fc7be929"],"url":"https://pubmed.ncbi.nlm.nih.gov/31182746/","title":"The value of indocyanine green clearance assessment to predict postoperative liver dysfunction in patients undergoing liver resection."}}}