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Expert Information

Currently engaged in clinical practice: Yes

Degree:

Specialty / Subspecialty:

  • Vascular Surgery
  • Surgery (General Surgery)

Area of Expertise: Aortic aneurysms, Peripheral vascular disease, Carotid artery disease, Thoracoabdominal aneurysms

Year of Medical Training Completion: 2007

City of Practice: Brookfield

State of Practice: Wisconsin

Previous Experience As Expert Witness: No

Type of Practice: Academic

Available to Review Cases: Yes, for either the defendant or the plaintiff

Available to Be Deposed: Yes, for either the defendant or the plaintiff

Available to Testify In Trial: Yes, for either the defendant or the plaintiff

Training and Additional Credentials

Medical School: -

Year of Completion: -

Residency: -

Year of Completion: -

Fellowship: -

Year of Completion: -

Academic / Leadership Information

Highest Academic/Leadership Position Achieved: -

Current Academic Affiliation: -

Distinguishing Achievements

Awards: -

Number of Publications on PubMed: -

Professional Organizations: -

Fee Schedule

Medical Record Review:

Review of Medical Records, Review of Additional Materials, additional office consultation

  • $150
  • $500

Independent Medical Examination:

Independent Medical Examination with written report

  • Per Hour: -

Deposition in office:

Deposition: Discovery/Evidence

  • First two hours: -
  • For each Additional hour or any portion thereof: -
  • Retainer (due 14 days prior to scheduled disposition): -
  • Cancellation fee (less than 7 days notice): -

Trial (InState):

  • Initial day: -
  • Cancellation fee (less than 72 hours notice): -
  • For each additional day: -
  • Cancellation fee (less than 72 hours notice): -
  • Retainer (due 14 days prior to scheduled trial): -

Trial (Out of State):

  • Initial day: -
  • Cancellation fee (less than 72 hours notice): -
  • For each additional day: -
  • Cancellation fee (less than 72 hours notice): -
  • Retainer (due 14 days prior to scheduled trial): -

Case Responses

left carotid endarterectomy results in stroke (Case #114)

  • Medical Probability: 6 / 10
  • Medical Error Summary: Stroke can occur after any CEA - risk is about 1.5% in asymptomatic patients and may or may not be reduced when pt has an intraoperative shunt What is unclear in this case is why 2 hours elapsed fr...
  • Causation Probability: 3 / 10
  • Causation Summary: Stroke can happen with any CEA. Time elapsed from abnormal neuro exam to stroke team activation requires more investigation.
  • Expert Summary: I do a lot of CEAs and carotid stents and have published about carotid disease in peer reviewed journals.
  • Similar Summary: Uncommonly as my personal stroke rate with CEA is well less than 1%

"Subclavian" port-a-cath is placed in the thoracic aorta (Case #130)

  • Medical Probability: 7 / 10
  • Medical Error Summary: If anatomy is normal, there is not a situation where a line should go through-and-through the subclavian vein into the aortic arch. The question to be answered is whether an anatomic variant exists t...
  • Causation Probability: 8 / 10
  • Causation Summary: It is hard to envision a situation where the line placement was incidental to/unrelated to the complication described; but again, I would need to perform a detailed review of the patient's radiology s...
  • Expert Summary: I have personally treated this complication, which is extremely rare; and repair of vascular access complications is a very common part of my practice.
  • Similar Summary: I have only seen this case once before, which I successfully treated with endovascular techniques and not open surgery. This complication is very rare and in normal human anatomy should be a never ev...

Failure of femoral to femoral bypass graft resulting in death (Case #135)

  • Medical Probability: 7 / 10
  • Medical Error Summary: Disruption of a vascular anastomosis within 24 hours of surgery, generally speaking, is almost always a technical error (either too much tension on the anastomosis, bites too small on graft or artery,...
  • Causation Probability: 7 / 10
  • Causation Summary: Had the operation not been performed, the patient would not have suffered these complications. However, I lack the complete data set to say this within a reasonable degree of medical certainty.
  • Expert Summary: This is an operation that I perform on a weekly, if not daily, basis. There may be more to this case than meets the eye. WRT the other questions above: 1. There is no “standard of care” re...
  • Similar Summary: I perform the described operation quite routinely. I have never experienced this complication in elective surgery - I have seen it once in a patient with Marfan syndrome undergoing emergency surgery,...

Renal artery stenosis post infrarenal aortic aneurism repair with endograft and extension iliac grafts causing renal artery stenosis and resultant renal insufficiency (Case #360)

  • Medical Probability: 4 / 10
  • Medical Error Summary: Impossible to tell without review of images from preop CT, intraoperative angiograms, and postoperative CT. I have seen plenty of cases where there was pre-existing renal artery stenosis that was sim...
  • Causation Probability: 4 / 10
  • Causation Summary: Renal artery stenosis would be nearly impossible to cause during EVAR absent covering the artery with the stent graft, or causing severe injury with a wire, both of which would be immediately noticeab...
  • Expert Summary: I am a very busy vascular surgeon (professor and division chief at a major academic center) and aortic, renal and mesenteric arterial surgery is the majority of my practice; I have a referral practice...
  • Similar Summary: Never in my own patients that I am aware of, but I treat renal artery disease and aortic disease routinely, and I have reviewed similar cases for both plaintiffs and defendants in the past. I do appr...

Injury to the aorta inferior mesenteric vein, jejunum during elective robotic assisted laparoscopic sleeve gastrectomy (Case #397)

  • Medical Probability: 8 / 10
  • Medical Error Summary: Aorta can't be injured during initial port placement without some sort of error.. Hard to say definitively without review of medical records.
  • Causation Probability: 8 / 10
  • Causation Summary: Patient had an aortic injury during port placement; by definition an error that resulted in injury.
  • Expert Summary: Rescue of patients from surgical misadventures is a substantial part of my practice as an academic vascular surgeon at a quaternary referral center.
  • Similar Summary: Trocar/port placement misadventures resulting in vascular injuries occur 1-3 times/year in our facility, and we have patients transferred to us from other hospitals at least 2=3 times a year for simil...

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Attorneys:

  • Two preliminary opinions on a case: $400
  • Three preliminary opinions on a case: $500
  • Introduction to a physician through our platform: $500
  • Direct introduction to a physician without a case posting: $1000
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About Us

Kalivar represents a new concept in medical-legal consulting.

Kalivar was founded by two physicians and a lawyer who believe that the medical legal industry deserves an upgrade.

The current state of affairs:

  • Not infrequently doctors are unjustly accused of negligence. At the same time, malpractice victims do not always receive the compensation they deserve.
  • Many doctors are reluctant to serve as an expert witness and do not have time for extensive reviews of medical records. Choosing sides in a dispute between a patient and a peer may be uncomfortable, especially when doctors be deposed or required to provide testimony.
  • The few doctors who serve as expert witnesses often charge high fees to attorneys for an initial opinion. As a result, many attorneys, whether they are representing the plaintiff or the defendant, tend to rely on the opinion of a single expert as the foundation for their case. When that single initial opinion is questionable, significant funds are incurred unnecessarily in legal cases that should never have been initiated, or that instead should have settled immediately.

There is a better way.

We have created an on-line community where doctors can provide anonymous opinions on medical cases, and have the opportunity to be retained as an expert.

Kalivar allows doctors to provide unbiased opinions, as we do not disclose their identity, and we are unaware of whether an opinion is being requested by a defendant or a plaintiff. With only a short event summary to read, busy clinicians can find a few minutes during their day to leave a comment in our social media-like platform (and potentially be compensated for their time!).

Kalivar allows attorneys to obtain diverse opinions from different experts across multiple specialties, for very limited costs. Attorneys will have greater insight into a case before embarking on a long and expensive process that may be unnecessary to begin with.

We hope that you will help us improve the medical-legal industry and join the Kalivar community.

Thank you for your help!

The Kalivar Team: Mark, Paul, Meir

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