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PubMed1989

Reconstruction of a pinch through transfer of a single toe. Survey on five cases.

A carpal hand, traumatic or congenital, is a challenge to the reconstruction of a useful pinch. Before the microsurgical era, the only possibility was the Krukenberg operation. But it gives an ugly appearance to the forearm, hence its use is generally limited to bilateral amputations on blind patients. Besides, one should also remember that it deprives the patient of the carpal joint. The authors present five cases of reconstruction by transfer of a single toe, the second one. There was no vascular failure. Three cases are successful function wise. One of the failures is due to the fact that the operation was undertaken too late; the patient never accepted the aspect of his new "hand". As for the other, in endeavouring to reconstruct a wide pinch, we set the toe too far away from the opposable element, which will necessitate another operation, in order to bring the two parts of the pinch closer to each other. The three successful cases demonstrate, however, that a good pinch can be created in one single operation: the transfer of the second toe provided a backstop is available-either steady or mobile, already existing or reconstructed-against which the transplanted toe can press.

Adolescent↗
PubMed1979

Pes cavus and claw toes deformity in patients with spinal cord injury and multiple sclerosis.

Patients with spinal cord injury or multiple sclerosis were surveyed for the presence of extreme foot deformities and spasticity. Pes cavus and claw toes were found in eight of 80 spastic spinal cord injury and two of 20 multiple sclerosis patients. Pes cavus and claw toes were not found in 29 flaccid spinal cord injury patients. Pes cavus and claw toes were associated with flexor reflexes which could be elicited by pin prick proximal to the knee, suggesting extreme spasticity--and by low excitatory thresholds for the anterior tibialis as indicated electromyographically. Complications of severe spasticity associated with spinal cord injury and multiple sclerosis include pes cavus and claw toes, mediated in part by spasms of the anterior tibialis.

Adult↗
PubMed2001

TBI or not TBI: that is the question. Is it better to measure toe pressure than ankle pressure in diabetic patients?

AIMS: Measurement of ankle blood pressure is a simple method of assessing lower limb arterial blood supply. However, its use in diabetes has been questioned due to the presence of medial artery calcification. Measurement of toe blood pressure has been advocated as an alternative but it is technically more difficult. The aim of this study was to obtain information to guide clinicians as to when pressure measurements should be taken at the toe. METHODS: Ankle brachial index (ABI) and toe brachial index (TBI) were measured by Doppler ultrasound, or photoplethysmography on 174 subjects with diabetes and 53 control subjects. The Bland and Altman method, and the Cohen's method of measuring agreement between two tests were used to compare ABI with TBI. RESULTS: The mean differences between ABI and TBI in control and diabetic subjects are 0.40 +/- 0.13 and 0.37 +/- 0.15, respectively. Nearly all diabetic patients with an ABI < 1.3 have an ABI-TBI gradient falling within the normal range established from the non-diabetic cohort. In contrast, the majority of diabetic subjects with an ABI > or = 1.3 have ABI-TBI differences outside this range. When patients are categorized according to ABI and TBI, there is also good agreement between the tests when ABI is low or normal (84% and 78% agreement, respectively), but not when ABI is elevated. CONCLUSION: In the majority of patients with diabetes, assessment of TBI conveys no advantage over ABI in determining perfusion pressure of the lower limbs. Only in those patients with overt calcification, which gives an ABI > or = 1.3, are toe pressure measurements superior. This guideline should simplify assessment and treatment of diabetic patients with disease of the lower limbs. Diabet. Med. 18, 528-532 (2001)

Adult↗
PubMed2001

Restoration of functional prehension after radial hemihand amputation in a three-year-old child: rationale for and long-term result after great toe transfer.

Partial hand amputations are rare injuries among children, causing significant functional impairment. Reports on thumb reconstruction in children and adults are used to develop a reconstruction plan for restoring prehension. While either first or second toe transplantation may be indicated to restore prehension in adults with thumb loss, near universal reluctance to use the great toe in children centers around concern regarding the subsequent function and appearance of the foot. This report details the reconstruction of functional prehension after radial hemihand amputation in a 3-year-old child. Great toe transplantation was used and resulted in neither objective nor subjective donor site morbidity. The rationale for use of the great toe in this child and long-term functional outcome are described.

Amputation, Traumatic↗
PubMed2000

Second toe to index finger transfer.

Between April 1994 and May 1998, 15 amputated index fingers were treated based on three classifications: group 1 consisted of patients with index finger defects immediately proximal to, yet including, the distal interphalangeal joint, group 2 were those patients with defects from the proximal part of the distal interphalangeal joint to the distal part of the proximal interphalangeal joint and group 3 comprised patients with more proximal defects than group 2. With a total of six men and nine women, seven cases were included in group 1, five in group 2 and three in group 3. For the patients in groups 1 and 2, only a partial length of the second toe was transferred to the index finger, whereas in group 3 the total length of the toe needed to be transferred. The results can be summarised as follows:1. The two-point discrimination of the reconstructed index tip was 2.2 mm for group 1, 2 mm for group 2 and 2.3 mm for group 3.2. In group 1, the average range of motion in the transferred toe was 43.8>> in the distal interphalangeal joint. In groups 2 and 3, the average range of motion in the transferred toe was 30>> and 30.7>> in the distal interphalangeal joint, and 50>> and 39.3>> in the proximal interphalangeal joint, respectively.3. When compared with the contralateral index finger, the pinching power was measured at 83% in group 1, 70% in group 2 and 60% in group 3.4. Excellent results were obtained in group 1, good results in group 2 and fair results in group 3. Accordingly, the more proximal the defect in the index finger, the less satisfactory the result obtained.

Adult↗
PubMed1999

Distal thumb reconstruction using a mini wrap-around flap from the great toe.

We have used a great toe mini wrap-around flap for reconstruction of the thumb at, or distal to, the interphalangeal joint. Our series included 12 patients with traumatic amputations. A flap including the entire nail and most of the distal phalanx of the great toe was used. Eleven of the grafts survived. Sensibility was good with an average of 10 mm static two-point discrimination (range, 5-15) and there were no complaints of cold intolerance. All patients were pleased with the appearance of the thumb and there was no significant morbidity at the great toe donor site. The great toe mini wrap-around flap is an excellent reconstruction technique for selected patients with distal thumb amputations.

Adolescent↗
PubMed2004

Microsurgical second toe-metatarsal bone transfer for reconstructing congenital radial deficiency with hypoplastic thumb.

This study describes a consecutive series of 11 children who received a microsurgical second toe-metatarsal bone transfer for reconstructing a hypoplastic thumb associated with radial club hand, between 1996 and 2000. The parents refused pollicization in all cases for aesthetic and cultural reasons. Surgery was intended to improve hand function and cosmetic appearance. The average patient age was 3 years, and the average follow-up period was 4 years. Average surgery time for the second toe-metatarsal bone transplantation was 8 hr. The primary success rate was 90.9 percent, with one patient requiring repeat surgery owing to venous occlusion. The surgical outcomes reveal a normal growth of the transferred toe, an acceptable range of motion, and satisfactory recovery of sensation. All children achieved both small and large grasp functions. The parents were satisfied with the reconstruction procedures. Based on the preliminary results, second toe-metatarsal bone transfer appears an acceptable alternative for reconstructing radial deficiency with hypoplastic thumb.

Bone Transplantation↗
PubMed2004

Successful reconstruction of the ring finger using a twisted toe flap.

There have been many case reports of thumb reconstruction using wraparound flaps, toe-to-thumb transfer, and twisted toe flaps but, to the authors' knowledge, there have been no previous reports of reconstruction of total ring finger deficit. In this report, they present a case of successful reconstruction of the ring finger amputated proximal to the proximal-interphalangeal joint, using a twisted toe flap and simultaneous application of a free groin flap to the donor site. Use of the modified twisted toe flap is suggested to be a cosmetically useful method for reconstruction of the ring finger.

Adult↗
PubMed1996

[Hydrostatic toe pressure measurement: a noninvasive screening method in the diagnosis of arterial occlusive diseases in diabetics and nondiabetics].

OBJECTIVE: To assess whether the hydrostatic toe pressure measurement is a reliable method for diagnosing peripheral arterial vascular disease (PAVD) in diabetics. PATIENTS AND METHODS: The systolic anterior tibial artery pressure was measured hydrostatically and by sphygmomanometry in 245 legs of 133 patients (94 males, 39 females; mean age 65 [61-68] years) with PAVD, stages II-IV (staging after Fontaine). 106 were diabetics. In addition the systolic toe pressure was measured hydrostatically and by sphygmomanometry in 155 legs. The sensitivity and specificity of the results in stages III/IV were calculated. RESULTS: Up to 27% of sphygmomanometric anterior tibial pressure measurements (including PAVD stage III/IV) stages could not be evaluated because they were above the measuring limit of 300 mm Hg. 81% of hydrostatic measurements (including PAVD III/IV) were above the 60 mm Hg measuring limit. The hydrostatic systolic pressure was outside the measuring limit of 70 mm Hg only in healthy subjects and those with PAVD < III. Hydrostatically measured systolic pressure < 50 mm Hg in the large toe indicated PAVD > II with a sensitivity of 83% (87% in diabetics) and a specificity of 82% (94% in diabetics). CONCLUSION: Hydrostatically measured systolic pressure in the large toe of < 50 mm Hg is suitable as a diagnostic criterion for PAVD, stages III -IV.

Aged↗
PubMed1992

The effect of body heating and cooling on the ankle and toe systolic pressures in arterial disease.

Although changes in body temperature alter limb blood flow, little information exists on the effect of body heating and cooling on systolic pressures in limbs with arterial disease. Ten patients with stable claudication were studied. Mean ankle systolic pressure index during body cooling (0.79 +/- 0.04) exceeded (p less than 0.01) both the value during routine test (0.69 +/- 0.03) and during heating (0.65 +/- 0.04). The individual, paired difference in ankle systolic pressure index between cooling and heating exceeded 0.15 in seven limbs and between cooling and routine test in five. Mean toe systolic pressure index during heating, but not during cooling, was lower than during routine test (p less than 0.01). There was no significant difference in the mean toe systolic pressure index between heating and cooling. However, compared with heating, toe systolic pressure index increased with cooling in 12 limbs and decreased in eight, including three with loss of measurable pressure. The paired difference in toe systolic pressure index between cooling and heating exceeded 0.15 in 10 limbs and between cooling and routine test in eight; whereas between heating and routine test the paired difference was within 0.15 in all but three limbs. The results indicate that changes in body temperature have significant effects on distal pressures in arterial disease. Preliminary warming in routine tests should improve reproducibility.

Aged↗
PubMed2002

The difference in pulse transit time to the toe and finger measured by photoplethysmography.

Blood pressure pulse wave velocity (PWV) is a parameter which is related to arterial distensibility. Its direct assessment, by measuring the appearance time of a pressure pulse in two sites along an artery and the distance between the two sites, is complicated and inaccurate. In the current study, pulse transit time (PTT) to the toes and fingers of 44 normotensive male subjects was measured by photoplethysmography (PPG) and ECG. The arrival time of the pulses at the toe and finger was determined from the foot of the systolic rise of the PPG signal, i.e. at end-diastolic time. Two parameters, which are related to PWV, were tested: the time delay between the ECG R-wave and the arrival time of the pulses at the toe (E-T PTT), and the difference in the transit time of the blood pressure pulses between the toe and finger (T-F PTTD). E-T PTT and T-F PTTD decreased as functions of the subject's age and systolic blood pressure (SBP), but their dependence on the diastolic blood pressure (DBP) was not statistically significant. The decrease of the PTT parameters with age is attributed to the direct structural decrease of the arterial compliance with age and not to functional effects associated with the increase of the blood pressure with age, since the PTT parameters did not depend on DBP though the measurements were performed at end-diastole.

Adult↗
PubMed1996

Great toe-to-hand transfer nourished by arterial inflow through the venous system.

Revascularization of tissues through their venous system is currently used in vascularized venous flaps and in replantation of some fingertips. A toe-to-hand transfer that suffered prolonged and unexplainable arterial spasm, unrelenting to the usual therapeutic measures, was revascularized through its venous system. Tissue perfusion in the toe began 24 hours after the vascular repairs were through, because arterial flow was hampered by the venous valves in the toe. Tissue perfusion was poor initially but became stable 72 hours postoperatively, and the toe survived. The only complications were epidermolysis and pseudoarthrosis. We consider this technique for tissue revascularization as a suitable salvage method in cases where all other therapeutic measures fail.

Adult↗
PubMed1998

Distal thumb reconstruction with a great toe partial-nail preserving transfer technique.

The great toe partial-nail preserving transfer technique is another modification for distal thumb reconstruction in composite defects at or below the interphalangeal joint of the thumb. Noting the size difference of the nail width between the great toe and thumb, the authors dissected only a thumb nail width and skin flap from the great toe, leaving the remainder of the medial skin flap and nail of the great toe at the donor site. A total of 25 cases between 1993 and 1996 were performed using this technique, and the mean follow-up period was more than 12 months. The reconstructed thumb had a better cosmesis with a more natural appearance. At long-term follow-up, the thumb nail width decreased an average of 1.8 mm, but the pulp volume was almost the same as that of the normal contralateral side. The average static 2-point discrimination was less than 9.0 mm. In cases with preserved interphalangeal joint, an average of 48 degrees of range of motion with key-pinch of 80 percent of that of the normal contralateral thumb was achieved. The final appearance of the donor site with partial nail looks like a brachymetatarsia.

Adult↗
PubMed1998

Single versus double arterial anastomoses in combined second- and third-toe transplantation.

Combined second and third toe transplantation is one good option for reconstruction of multiple digit amputation. However, the use of one or two arteries for pedicle anastomoses, which may influence the vascular complication and success rate, has never been addressed in the literature. This study includes a retrospective review of 57 combined second and third toe transplantation in 54 patients performed from February of 1983 through December of 1996. Group I, composed of 41 transplantations, underwent one arterial anastomosis, and group II, composed of 16 transplantations, underwent double arterial anastomoses during surgery if there were two recipient arteries available or whenever the second and third toes showed inadequate blood perfusion after one arterial anastomosis. In group I, 10 transplantations (24.4 percent) required re-exploration with a success rate of 92.7 percent (38 out of 41 transplantations). In group II, only one transplantation (6.2 percent) required re-exploration with successful flap salvage. The success rate was 100 percent for group II. Because the re-exploration and success rates between groups I and II were not statistically significant according to two-tailed Fisher's exact test, the combined second and third toe transplantation is a reliable procedure using either single or double arterial anastomoses.

Adolescent↗
PubMed1999

Toe transplantation for isolated index finger amputations distal to the proximal interphalangeal joint.

Functional deficit following single distal index finger amputations has been considered insignificant, and reconstruction is usually not recommended. Herein, 19 cases of second toe transplantation for reconstruction of isolated index finger amputation distal to the proximal interphalangeal joint are presented with long-term functional results. There are 14 men and 5 women. The average age was 26 years. The toe transplantations were performed either as a primary procedure (5 patients) while the wounds were still open or as a secondary procedure (14 patients) after the wounds healed. In 11 patients, the dominant hand was involved. All toes survived completely, although re-exploration was required in three cases (16 percent). The functional evaluation included (1) sensory recovery, where the average static and moving two-point discrimination were 8 mm (range 4 to 15 mm) and 6 mm (range 2 to 15 mm); (2) motor function, where the average of index-thumb pulp-to-pulp pinch compared with the normal hand was 67.5 percent (range 36 to 96 percent); (3) average range of motion in index finger joints (extension/flexion), where metacarpophalangeal joint was 14/90, proximal interphalangeal joint was 0/94, and distal interphalangeal joint was 19/38; and (4) functional and cosmetic results, where percentage of involvement in daily activities and functional capacity of the reconstructed index were 69 percent and 70.5 in average, respectively, over a total score of 100. Average scores of aesthetic appearance and acceptability of donor-site deformity were 74 and 87.5 over a total score of 100, respectively. Toe transplantation for distal index finger amputations improved hand function when performed in selected patients with specific job requirements or high motivation.

Adolescent↗
PubMed2000

Sensory recovery and Meissner corpuscle number after toe-to-hand transplantation.

This study investigated the possible relationship between sensory recovery and receptor number after toe-to-hand transplantation. Moving two-point discrimination was measured after a course of sensory re-education. Meissner corpuscle number was then quantified by light microscopic examination of multiple sections of glabrous skin obtained at pulp reduction and from site-matched normal toe and fingertip skin. Meissner corpuscle number per millimeter was 0.94 in normal toe skin (n = 4), and 0.37 after toe-to-hand transplantation (n = 34). A significant correlation existed between moving two-point discrimination and Meissner corpuscle number (r = -0.62; p < 0.001). No significant relationship was found between moving two-point discrimination and patient age or interval from injury to reconstruction. The results suggest that despite sensory re-education, there may be a level of receptor reinnervation below which good sensory recovery may not be obtained.

Adolescent↗
PubMedDate not supplied

Get the LEAD out: noninvasive assessment for lower extremity arterial disease using ankle brachial index and toe brachial index measurements.

Lower extremity arterial disease affects approximately one third of individuals 66 years of age and older and has a high risk for nonhealing wounds, infection, and limb loss. Much wound care is given by or under the direction of nurses. Therefore, the assessment and management of these patients presents many opportunities and challenges. Assessment is the cornerstone of effective care, but traditional methods of lower extremity arterial assessment, such as pulse palpation and pain history, are insufficient to determine the presence and extent of ischemia. Recently published national guidelines for assessment and management of patients with lower extremity wounds have recommended using noninvasive tests such as the ankle brachial index and toe brachial index to rule out lower extremity arterial disease, which complicates wound healing. However, the ankle brachial index can be falsely elevated in patients with diabetes and renal failure because of calcification of the arteries, which causes them to be incompressible. In these situations, it has been advised to obtain a toe pressure or toe brachial index because digital arteries are usually less affected by calcification. There is a paucity of data about the knowledge of principles and performance of the ankle brachial index/toe brachial index by nurses, particularly in the United States, using pocket-sized portable Doppler equipment. Therefore, the purpose of this article is to provide an overview and synthesis of relevant studies and published expert opinion regarding noninvasive arterial assessment using ankle brachial and toe brachial indexes as a basis for developing protocols for performing the tests and identifying gaps in research where further investigation is needed.

Ankle↗
PubMedDate not supplied

Are ankle and toe brachial indices (ABI-TBI) obtained by a pocket Doppler interchangeable with those obtained by standard laboratory equipment?

PURPOSE: The aim of this study was to determine if the ankle and toe brachial indices obtained by an experienced registered nurse (RN) using a pocket Doppler were within acceptable levels of agreement with those obtained by a registered vascular technologist (RVT) using standard laboratory equipment. DESIGN: A within-subjects comparative design was used. SETTING AND SUBJECTS: Thirty subjects who were referred to a vascular laboratory for arterial studies were recruited. All tests were performed in the outpatient vascular laboratory of a large, urban medical center. METHODOLOGY: Ankle and toe brachial indices were measured on each subject by the RN and the RVT during each visit. Data were analyzed using the Bland-Altman method to assess the level of agreement between the RN's pocket Doppler and the RVT's standard laboratory equipment. RESULTS: Differences between each instrument's ankle brachial indices were within the a priori 15% limit of agreement. Differences between each instrument's toe brachial indices exceeded the a priori 15% limit of agreement. CONCLUSION: The ankle brachial index obtained by using a pocket Doppler by an experienced RN is interchangeable with vascular laboratory testing for detection of lower extremity arterial disease (LEAD). The pocket Doppler-derived toe brachial index was not interchangeable with vascular laboratory testing for detection of LEAD.

Adult↗