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1.
Parasite ; 19(4): 367-74, 2012 Nov.
Article in English | MEDLINE | ID: mdl-23193521

ABSTRACT

Heligmosomoides neopolygyrus, Asakawa and Ohbayashi, 1986 (Nematoda, Heligmosomoidea) is redescribed from Apodemus peninsulae from Rangtang, Sichuan, China. A morphological review of the Heligmosomoides spp. belonging to the "polygyrus line" proposed by Asakawa (1988) is made using new characters. This enabled us to distinguish two subspecies in Mus musculus (Heligmosomoides polygyrus bakeri from Japan and H. p. polygyrus from China) and two valid species in Apodemus spp. (H. neopolygyrus from Japan (in A. peninsulae) and from China (in A. agrarius) and H. asakawae from China (in A. uralensis)). Three parasite species of A. agrarius and A. peninsulae, previously identified by Asakawa et al. (1993) as H. neopolygyrus, are considered to be Heligmosomoides incertae sedis. This is the first report of H. neopolygyrus in A. peninsulae from China.


Subject(s)
Heligmosomatoidea/classification , Murinae/parasitology , Rodent Diseases/parasitology , Strongylida Infections/veterinary , Animals , China , Female , Heligmosomatoidea/anatomy & histology , Japan , Male , Nematospiroides dubius/classification , Strongylida Infections/parasitology
2.
Parasite ; 17(1): 17-22, 2010 Mar.
Article in English | MEDLINE | ID: mdl-20387734

ABSTRACT

Heligmosomoides craigi n. sp. (Nematoda: Heligmosomoidea) is described from Microtus limnophilus Büchner, 1889 (Rodentia: Cricetidae) from Rangtang, Sichuan, China. It is related to H. protobullosus Asakawa, 1987 and H. longispiculum Tokobaev & Erkulov, 1966 both parasites of Microtus spp. from Japan and USSR, respectively by the following features: a ratio of spicule length/body length of more than 45% and rays 9 shorter than rays 10. The new species is differentiated by rays 8 being closed to rays 6 and 19-22 cuticular ridges versus 14 in H. protobullosus (synlophe not described in H. longispiculum). H. longicirratus (Schulz, 1954) also a parasite of Microtus sp. from the USSR is the most closely related species based on the number of cuticular ridges (20) and the ratio of spicule length/body length (48% versus 50%). There are no illustrations of this species and the female has not been described; for that reason, it is not possible to compare it accurately with our specimens.


Subject(s)
Arvicolinae/parasitology , Heligmosomatoidea/pathogenicity , Nematoda/classification , Nematode Infections/veterinary , Rodent Diseases/parasitology , Animals , Body Size , China , Female , Heligmosomatoidea/anatomy & histology , Intestine, Small/parasitology , Male , Nematoda/pathogenicity
3.
J Cardiovasc Surg (Torino) ; 42(1): 101-5, 2001 Feb.
Article in English | MEDLINE | ID: mdl-11292915

ABSTRACT

A 56-year-old man presented with complete occlusion of the superior and inferior mesenteric arteries resulting in chronic mesenteric ischemia. After a minimal angioplasty a Wallstent was inserted across the superior mesenteric artery occlusion. This produced immediate clinical relief, with a successful angiographic result. Eight months later, an intrastent occlusion with acute bowel infarction was treated in emergency by saphenous vein bypass graft. Despite the death of the patient a few days later from a multivisceral failure syndrome, this method seemed to us feasible in treating a chronically occluded SMA in patients with high operative risk.


Subject(s)
Mesenteric Artery, Superior , Mesenteric Vascular Occlusion/therapy , Stents , Angioplasty, Balloon , Chronic Disease , Humans , Male , Mesenteric Artery, Superior/diagnostic imaging , Mesenteric Vascular Occlusion/diagnostic imaging , Middle Aged , Radiography, Interventional
4.
J Mal Vasc ; 20(1): 56-9, 1995.
Article in French | MEDLINE | ID: mdl-7745362

ABSTRACT

We report the case of a 25-year old woman presenting with disabling pain of the left calf, associated with lower left limb angiodysplasia. Dynamic testing (duplex scan and phlebography) showed a popliteal vein ectasia, with reflux into an incompetent lesser saphenous vein: the venous drainage of this ectasia was an embryonic femoropopliteal vein going to the profunda femoris vein. As long as patency and competence of deep veins and of the superficial femoral vein were confirmed by dynamic testing with compressions, curative surgery was considered: en-bloc resection of lesser saphenous vein and of embryonic femoropopliteal vein combined with lateral suture of the popliteal vein. One-year follow-up confirms the absence of recurrent symptoms. Dynamic testing allows safe surgical therapy of persisting embryonic abnormalities associated with incompetent veins, in cases where such testing clearly demonstrates that a sufficient venous drainage of the affected limb will be provided after surgery.


Subject(s)
Angiodysplasia/diagnosis , Leg/blood supply , Pain, Intractable/diagnosis , Phlebography , Ultrasonography, Doppler, Duplex , Adult , Angiodysplasia/complications , Angiodysplasia/surgery , Female , Follow-Up Studies , Humans , Pain, Intractable/etiology , Veins
5.
J Chir (Paris) ; 124(11): 585-92, 1987 Nov.
Article in French | MEDLINE | ID: mdl-3323212

ABSTRACT

A retrospective study of 150 consecutive patients undergoing revascularization of internal carotid artery for atheromatous lesion of carotid bifurcation, included analysis of collaterals being compressed by common carotid artery simulating clamping. Two exploratory procedures had been applied routinely: global suprasigmoid digital subtraction angiography and Doppler velocimetry. Two groups of patients could be defined: clamping without risk (95.4%) and clamping at risk (4.6%). For the group of clamping at risk a surgical strategy is proposed allowing clamping without shunt by bypass between subclavian and internal carotid arteries of by bypass between common and internal carotid arteries because of the external carotid artery collaterals left untouched. A shunt is only necessary when the latter artery is occluded. Results of this series of patients explored in this way and operated upon confirmed these data: no clamping accident in the 1st group, one transient ischemic accident in the 2nd.


Subject(s)
Carotid Artery Diseases/surgery , Adult , Aged , Aged, 80 and over , Carotid Arteries/diagnostic imaging , Carotid Artery Diseases/diagnosis , Constriction , Female , Humans , Male , Middle Aged , Preoperative Care , Prognosis , Prospective Studies , Radiography , Risk , Subtraction Technique , Ultrasonography
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