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Biomedical subjects

M R M Scheltinga

Publications and source records attributed to M R M Scheltinga.

12 recordsLinked to original sources

Abberant sex habits leading to acute limb ischemia and hematuria.

We report a case of a 42 year-old man suffering from an acute limb ischemia. Upon urokinase treatment he developed gross hematuria. Finally, CT scanning revealed a self-inserted foreign body not only causing thrombosis of the external iliac artery, but also forming an arteriovesical fistula. This case emphasises the importance of detailed history taking and thorough further investigation in recurrent macroscopic hematuria in a patient. Massive bleeding from the bladder should alert the doctor for a rare, but life-threatening arteriovesical fistula.

Adult↗

[Sore throat and a swollen neck: Lemierre's syndrome until proven otherwise].

Physicians seldom prescribe antibiotics to patients presenting with a combination of sore throat and feelings of malaise. However, this restrictive regimen may have a downside. Two patients, men aged 23 and 19 years, respectively, with pharyngitis developed a life-threatening syndrome following a Fusobacterium throat infection. They suffered from Lemierre's syndrome, referred to in recent literature as the 'forgotten disease'. The second patient recovered uneventfully after prompt intravenous antibiotic treatment. The first, however, succumbed following overwhelming multiple organ failure. A classical case of Lemierre's syndrome is characterised by bacterial embolisation from a clogged internal jugular vein following a sore throat. Spread of organisms may lead to sepsis and organ failure. The main pathogen is Fusobacterium necrophorum. Early recognition is essential, since prompt antibiotic treatment is usually effective. This syndrome should be suspected until proven otherwise in any patient with signs of pharyngitis, a painful swollen neck and pulmonary symptoms.

Adult↗

[Abdominal intercostal neuralgia: a forgotten cause of abdominal pain].

Four patients, 3 women aged 39, 36 and 58 and a man aged 51, had been experiencing recurring bouts of abdominal pain for periods varying from a few months to years. The pain could be provoked by palpation of a small circumscript area in the lower abdomen. A positive Carnett's sign (pain intensification during palpation while contracting the abdominal muscles by raising the head, whilst lying flat) may aid the diagnosis. An injection ofa local anaesthetic agent confirmed the diagnosis of nerve entrapment and appeared therapeutic in one patient. The other three patients experienced long-term relief following surgical nerve excision. Establishing a diagnosis in patients with abdominal cutaneous nerve entrapment syndrome is often delayed due to physicians being unaware of this condition. Most patients have to undergo numerous investigations including laparoscopies and explorative laparotomies, often to no avail. This syndrome should be considered in patients with chronic abdominal pain syndromes.

Abdominal Muscles↗

Doppler perfusion index fails to predict the presence of occult hepatic colorectal metastases.

AIMS: To assess the predictive value of the Doppler perfusion index (DPI) in a cohort of patients with colorectal cancer with and without initial metastatic disease and present the data of at least 4 years follow-up. METHODS: We studied 133 patients admitted with stage I-IV colorectal cancer. In all patients hepatic flow measurements were performed in the week before surgery. All patients who underwent curative surgery on intention were followed up for at least 4 years. RESULTS: Reliable DPI measurements were not possible in 29 patients. Three groups were defined for comparison: (A) 57 patients who remained disease free, (B) 11 patients who presented with metachronous liver metastases during follow-up and (C) 19 patients with liver metastases at initial presentation. No significant difference was found for DPI data between the three groups. There was a trend for a higher hepatic artery flow in patients with initial liver metastases compared to those who remained disease free (p=0.07). The previously reported cut-off point for maximal normal DPI (0.3) did not have any predictive value in this patient cohort. CONCLUSION: The present data do not confirm the usefulness of DPI measurements in daily clinical practice for the early identification of patients with colorectal cancer at high risk for recurrent disease.

Adult↗

Primary aortoenteric fistula.

BACKGROUND: A primary aortoenteric fistula (PAEF) is a rare clinical entity that results in fatal exsanguination if undiagnosed. The present study investigates whether management and survival have altered over time. METHODS: A Medline search was conducted for the period from January 1994 to December 2003. Data were categorized and compared with reviews of PAEF published before this interval. RESULTS: The classical triad (gastrointestinal bleeding, pain and a pulsating mass) was present in only 11 per cent of 81 patients. Most PAEFs were caused by an aneurysmal aorta and were almost always (94 per cent) heralded by repetitive gastrointestinal bleeds. Computed tomography (CT) provides images superior to those of other diagnostic modalities, such as gastroduodenoscopy or conventional angiography. Operative mortality rates were lower in later years possibly owing to improvements in perioperative care and the advent of endovascular techniques. CONCLUSION: Gastrointestinal bleeding combined with a negative endoscopy in the presence of an aneurysmal aorta suggests PAEF and requires urgent evaluation by CT. Endovascular operation is an attractive treatment option.

Adult↗

[Cannabis use and untreated HIV-infection: unknown risk factors for premature peripheral artery disease].

A 32-year-old woman presented with a painful leg and a gangrenous big toe. Her medical history included HIV-infection that had remained untreated for 8 years. In addition, she had smoked about 10 cannabis-cigarettes daily during the previous 15 years. Physical examination and angiography confirmed the presence of severe peripheral artery disease in the left lower leg. She received a femorodistal bypass graft but the gangrene was progressive, ultimately necessitating a lower leg amputation. Histopathological examination revealed intimal fibrosis and thrombosis with recanalisation in combination with fragmentation of the internal elastic membrane. Peripheral artery disease is often associated with lower extremity ischaemia, mostly affecting elderly patients and almost always caused by atherosclerosis. When ischaemic symptoms manifest themselves in young individuals (<40 years), rare causes of obliterative arterial disease, such as inflammation or post-traumatic vascular injury, must be excluded. Use of cannabis and untreated HIV infection are both relatively unknown risk factors for the onset of premature non-atherosclerotic arterial disease. Stopping the smoking of cannabis appears to have a favourable effect on the ischaemic symptoms. Whether treatment of HIV-infection can affect the course of premature peripheral vascular disease is unknown. When deciding whether or not to give antiviral therapy, care providers should also consider the increased cardiovascular mortality rates associated with these treatment regimens. In the case described, the HIV-infection was considered the most likely cause of the peripheral artery disease, based on all the histopathological findings.

Adult↗

Incidence and outcome of surgical repair of spigelian hernia.

BACKGROUND: A spigelian hernia develops through a defect present in a locus minoris resistentiae between abdominal muscles. It is generally considered rare but is probably underdiagnosed. This study was undertaken to characterize the history, presenting features and efficacy of surgical correction of spigelian hernia. METHODS: Medical and surgical charts of 25 patients treated for a spigelian hernia over 22 years were studied retrospectively. Patients were invited for an outpatient interview and physical examination. RESULTS: Dominant symptoms were an intermittent palpable mass (22 patients) and postural pain (16). A quarter of the patients reported a history of other hernias. Two individuals presented with a painful palpable mass and signs of bowel obstruction necessitating emergency small bowel resection. Hernia repair was performed by primary closure in 20 patients and by use of mesh graft in five. During a mean follow-up of 6.1 years, one early recurrence was observed. Two patients reported mild tenderness in the operated area but were not impaired in daily activities. CONCLUSION: Spigelian hernia is commonly encountered and requires surgical treatment because of the risk of strangulation. Operative treatment is simple and effective in the long term.

Adolescent↗