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PubMed1995

Effects of surface texture on weight perception when lifting objects with a precision grip.

In this paper, we show that, when lifting an object using a precision grip with the distal pads of the thumb and index finger at its sides, the perceived weight depends on the object's surface texture. The smoother the surface texture, the greater the perceived weight. We suggest that a smoother object is judged to be heavier because the grip force, normal to the surface, required to prevent it from slipping is greater. The possibility of there being an influence of surface texture per se is excluded by a second experiment that employed a variant of the precision grip in which the thumb supports the weight of the object from underneath. With the grip oriented in this way, there is no need to match grip force to surface texture and, under these conditions, there is no effect of surface texture on weight perception. In the first two experiments, the test and comparison weights were lifted successively by the same hand. In a third experiment, the effect of surface texture was replicated for sequential lifts made with separate hands. Thus, the effect is not restricted to comparisons made with the same hand.

Adolescent↗

PubMedDate not supplied

Lift-flap retreatment after laser in situ keratomileusis.

PURPOSE: To demonstrate the effectiveness of lifting the flap for retreatment of undercorrected eyes after laser in situ keratomileusis (LASIK). METHODS: We reviewed the results of 11 LASIK patients (12 eyes) who underwent retreatment for residual myopia by lifting the previously cut flap. This was followed by treatment with the Summit Apex excimer laser and repositioning of the flap. Average time prior to retreatment was 5 months (range, 1 to 9 mo). Follow-up was 100% at 3 months after retreatment. RESULTS: The average preoperative spherical equivalent refraction was -8.73 D; average prior to retreatment was -2.24 D (range, -0.67 to -5.75 D). At 1 month after retreatment, average deviation from intended correction was 0.08 D; at 3 months it was -0.12 D. Eleven of 12 treated eyes (92%) had uncorrected visual acuity of 20/40 or better and 4 eyes (33%) saw 20/20 or better without correction. Six eyes (50%) were within +/- 0.50 D of intended correction at 3 months. No patients lost any lines of spectacle-corrected visual acuity. CONCLUSION: Retreatment of residual myopia after LASIK by lifting the flap appears to be effective and associated with minimal complications.

Adult↗

PubMed1999

The superficial subciliary cheek lift, a technique for rejuvenating the infraorbital region and nasojugal groove: a clinical series of 71 patients.

The superficial subciliary cheek lift is an aesthetic operation to rejuvenate the infraorbital region and midface. It smoothes and rejuvenates the nasojugal groove, the nasolabial fold, and cheekpad with a direct pull upward. This technique is a technically straightforward procedure that does not involve dissection at a subperiosteal level, endoscopic equipment, a formal canthotomy, or drill fixation. It does not produce superior displacement of the lateral canthus. The entire operation is performed through an extended subciliary incision. Fixation is accomplished to the intermediate temporal fasciajust lateral to the lateral orbital rim. No reliance is placed on the lower eyelid for tightening the midface region. The superficial subciliary cheek lift can be performed as a separate operation or in conjunction with a face lift. It is an aesthetic procedure that is an adjunct to a subciliary lower blepharoplasty when rejuvenation of the upper midface and nasojugal area is also required. A series of 71 patients is presented, with excellent 6-month to 3-year results and an acceptably low complication rate.

Adult↗

PubMed2000

Mandibular border positions in eugnathic subjects during the second bite lifting.

This research was aimed at performing a clinical functional analysis during the second bite lifting, in order to define mandibular border positions and possible differences by sex and/or age. Out of a total of 9680 examined children from the region of Medimurje, Croatia, 103 were found to be eugnathic, with dentition in occlusion during the phase of the second bite lifting. All the eugnathic patients belonged to the class I by Angle, without any caries, fillings or extracted teeth. They were divided into three predefined groups for the sake of comparison. The obtained values of mandibular border positions in eugnathic subjects during the second bite-lifting phase vary with age and with the number of present permanent teeth in occlusion. Generally, all the values are higher in girls than in boys, which speaks in favour of the assumption that mandibular border positions are determined by sex, hormonal activity, growth and intercuspidation. Also, girls show a higher TMJ flexibility as well as a higher mandibular mobility. The knowledge of these facts will contribute to a more precise treatment in child prosthetics and pedodontics.

Age Factors↗

PubMedDate not supplied

Video-assisted parathyroidectomy by a skin-lifting method for primary hyperparathyroidism.

OBJECTIVE: The use of endoscopic surgical procedures has rapidly spread to abdominal and thoracic surgeries and subsequently to surgeries of the neck region. Several surgeons initiated endoscopic parathyroidectomy using CO2 insufflation to create the working space; however, they reported various complications. We describe here a skin-lifting method that may have few complications. METHODS: A 65-year-old man was diagnosed with primary hyperparathyroidism due to a solitary adenoma of the left inferior parathyroid gland. A 3-cm oblique incision was made below the left clavicle, and a 5-mm incision was made on the lateral neck. After the skin was lifted up, we performed video-assisted parathyroidectomy. RESULTS: Parathyroid extirpation took 2 hours and blood loss was minimal. The patient had minimal pain and no complications postoperatively. Serum concentrations of calcium and intact parathyroid hormone were normalized on the next day. CONCLUSION: Using the skin-lifting method, we obtained a sufficient operative view and encountered no complications. This procedure is cosmetically desirable, and we consider it a feasible alternative for the treatment of parathyroid adenoma.

Adenoma↗

PubMedDate not supplied

Comparison of immune preservation between CO2 pneumoperitoneum and gasless abdominal lift laparoscopy.

OBJECTIVE: Carbon dioxide (CO2) pneumoperitoneum has been implicated as a possible factor in early immune preservation in laparoscopic surgery. Although the current analysis was not adequate to clarify this issue, the aim of this study was to compare CO2 insufflation laparoscopic cholecystectomy to gasless abdominal wall lift laparoscopic cholecystectomy with respect to preservation of the immune system. METHOD: An analysis of the temporal immune responses was performed in 2 similar groups of patients (n = 50) who were divided randomly into the categories of gas or abdominal wall lift laparoscopic cholecystectomy. The patients were matched with respect to age, weight, and operation time. The immune parameters (serum white blood cell count, cortisol, erythrocyte sedimentation rate [ESR], tumor necrosis factor-alpha [TNF-alpha], interferon-y [INF-gamma], interleukin-6 [IL-6], interleukin-8 [IL-8]) were assessed at preoperative 24 hours and at postoperative 24 and 72 hours for the 2 groups. During the operation, the levels of cytokines that were cultured in the peritoneal macrophages were also checked. RESULTS: The serum white blood cell count, cortisol, and ESR levels were not statistically different in either of the 2 groups. Further, the serum TNF-alpha, INF-gamma, IL-6, and IL-8 levels in both groups were not significantly different from each other at preoperative 24 hours, and postoperative 24 and 72 hours. However, an immediate decrease in the cytokine levels at 24 hours after the operation was significant in both groups. The cytokine levels were particularly higher in the cultured peritoneal macrophages than in the serum, but were not statistically different between the 2 groups. CONCLUSION: Our results showed that the beneficial immune response obtained in the CO2 gas insufflation laparoscopic procedure could also be obtained in the gasless abdominal wall lift laparoscopic procedure. An immediate preservation of the immune functions in the postoperative period was detected similarly in the 2 groups.

Adult↗

PubMed2002

[Fiberoptic tracheal intubation aided by jaw lifting in a patient with an epiglottic cyst].

Epiglottic cyst is known to cause difficult intubation. We report a patient with an epiglottic cyst whose trachea was successfully intubated with the aid of fiberoptic bronchoscopy combined with the jaw lift maneuver. A 29-year-old patient was scheduled for lumbar disk hernia surgery. On the first occasion, surgery was cancelled since the patient was unexpectedly found to have an epiglottic cyst and tracheal intubation was not possible. Two weeks later, nasotracheal intubation guided by fiberoptic bronchoscopy under conscious sedation was planned. On the first attempt of bronchoscopy, the glottic view was obscured by the cyst displacing the epiglottis posteriorly. Next, we applied the jaw lift maneuver in conjunction with bronchoscopy. The maneuver improved the glottic view by clearing the epiglottis from the posterior pharyngeal wall and the patient's trachea was successfully intubated. Jaw lifting could be a useful adjunct to fiberoptic bronchoscopy for tracheal intubation in patients with epiglottic cysts.

Adult↗

PubMed1999

Reliability of independent observer judgments of level of lift effort in a kinesiophysical Functional Capacity Evaluation.

Functional Capacity Evaluation includes manual materials handling as a primary component. Return to work decisions are often made or influenced by both the heaviest amount of weight that can be safely lifted and the weight that can be handled repetitiously. Kinesiophysical observational criteria were developed to allow trained judges to categorize lifting in order to identify the category of lift effort. Bothinter rater and intrarater reliability were high. When light or heavy categories were isolated for accuracy there were no errors in judge's ratings.

Journal Article↗

PubMedDate not supplied

Gasless laparoscopy-assisted distal gastrectomy for early cancer via mini-laparotomy using an abdominal wall lift.

BACKGROUND/AIMS: To investigate the technical ease and results of gasless laparoscopy-assisted distal gastrectomy with lymph node dissection via mini-laparotomy using abdominal wall lift for early gastric cancer. METHODOLOGY: We submitted 20 patients to laparoscopy-assisted distal gastrectomy for early gastric cancer located in the middle or lower stomach. The initial 10 cases underwent perigastric lymph node dissection (D1), and the subsequent 10 cases received further dissection around the left gastric and common hepatic arteries (D1 + a). Mini-laparotomy was placed at the beginning of the procedure. We lifted up the laparotomy and the subcutaneous tissue around the umbilicus by retractors. We accomplished the dissection, resection and reconstruction mainly via the mini-laparotomy using a direct view and a laparoscopic image. RESULTS: Two cases were converted to open. The operative time was significantly longer in D1 + a (225 +/- 49 min) than in D1 (172 +/- 38 min). Blood loss was significantly more in D1 + a (247 +/- 155 mL) than in D1 (109 +/- 60 mL). There was no difference between the two groups in terms of days to first flatus, first oral intake or discharge from the hospital. Postoperative complications included 2 wound infections each in D1 and D1 + a group, and 1 anastomotic stenosis in D1 + a group. CONCLUSIONS: Gasless laparoscopy-assisted distal gastrectomy with D1 + a via mini-laparotomy using abdominal wall lift seems to be feasible and useful for early gastric cancer.

Abdominal Wall↗

PubMedDate not supplied

Face-lifting: an overview.

Numerous adaptations of face-lift techniques have been devised, and each surgical approach has its own risks and benefits, as well as proponents and detractors. All of the conventionally accepted techniques achieve removal of redundant skin. However, its the variations in approach to the deeper soft tissue structures that separate the many face-lifting procedures. A skin only face-lift was the earliest form of surgical rhytidectomy, but failed to achieve significant long-term benefit. Cosmetic surgeons of various backgrounds thus sought to achieve a more durable benefit from the surgery. While certain techniques have been classically ascribed to a particular surgeon, innovation does not occur in a vacuum and many surgeons are responsible for our current state of knowledge with regards to facial rhytidectomy surgery.

Aged↗

PubMed2004

[Laparoscopic ovarian cystectomy with abdominal wall lift during pregnancy under combined spinal-epidural anesthesia].

Abdominal wall lift laparoscopic surgery is often used for patients during pregnancy because it is physiologically superior to CO2 pneumoperitoneum laparoscopic surgery. Operation for adnexal cysts is performed in the 1st trimester. We report seven cases of ovarian cysts during pregnancy, resected using gassless laparoscopic method with a whole abdominal wall lift under combined spinal-epidural anesthesia (CSEA). Combined spinal-epidural anesthesia had several advantages in these cases; 1. In the 1 st trimester, general anesthesia should be avoided. We could manage these cases without general anesthesia nor sedative medications. 2. During pregnancy, it is difficult to estimate the level of sensory blockade by spinal anesthesia. Epidural top-up helped us to easily control the level of sensory blockade. 3. Differential diagnosis of pain related to uterine contraction and postoperative pain is difficult. Post-operative analgesia was established by epidural PCA, thus anti uterine contraction medicines were prophylactically administered in only one of seven cases. There was no particular trouble during the anesthesia and all the operative procedures were performed uneventfully. Based on our limited experiences, CSEA may be a safe and appropriate anesthetic technique for laparoscopic ovarian cystectomy with abdominal wall lift during pregnancy.

Abdominal Wall↗

PubMed2004

[Mask lift and facial aesthetic sculpturing].

OBJECTIVE: To improve the outcome of the face-lift with a craniofacial contouring procedure. METHODS: Thirty-seven patients aged 29-53 years (31 in female, 6 in male) were treated through a bicoronal incision. The facial tissue was lifted through a subperiosteal procedure and the facial skeleton was remodeled in three dimensions by osteotomies. RESULTS: The results were satisfactory after the 3-12 months of the follow-ups. CONCLUSIONS: The Face-lift combined with the facial aesthetic sculpturing may be more effective for the aging-face rejuvenating.

Adult↗

PubMed2005

[Clinical application of maxillary sinus lifting, bone graft and simultaneous placement of implant].

PURPOSE: To evaluate the results of two kinds of sinus lifting techniques with simultaneous implant placement. METHODS: 31 maxillary sinus underwent two kinds of sinus lifting techniques and simultaneously 42 implants placement. The sinuses were observed 1, 3, 6 months after the surgery. RESULTS: There were no implants loose or lost; X ray examination showed well osseointegration and no maxillary sinusitis. All the patients finished implant prosthesis in 6 months postoperatively. Through 6-36 months' follow-up, clinical results were satisfactory. CONCLUSION: With properly handling of indication and the operation skill, the results of two kinds of maxillary sinus lifting techniques with bone grafting and simultaneously implants placement are both satisfactory.

Bone Transplantation↗

PubMed2006

[Application of platysma flap in face lifting].

OBJECTIVE: To introduce a safe and simple method to improve the effect of face lifting. METHODS: During face lifting three anatomic dissection was applied. All the cases were performed with transferring the SMAS flap from the anterior ear to the posterior and fixing platysma flap with deep fascia of mastoid region, then removed fixed and sutured skin flap. RESULTS: 12 cases with satisfying effect were followed up for 6 - 12 months. No complications were found such as facial nerve injuring. CONCLUSION: The application of pedicle SMAS flap and platysma flap in face lifting is simple and safe.

Aged↗

PubMed1991

The extended subperiosteal face lift: a definitive soft-tissue remodeling for facial rejuvenation.

The subperiosteal face lift described by Psillakis has been criticized for not showing a more dramatic improvement over conventional brow/face lift procedures. His approach also has a significantly high incidence of nerve injury. This study reports our anatomic findings and surgical modifications, which have permitted a significant improvement in the safety of execution and clinical results using the subperiosteal face lift concept. Pertinent points of applied local anatomy and dissection techniques are as follows: First, we use extensive interconnected subperiosteal dissection that includes the entire zygomatic arch. This allows better repositioning of the deep soft tissues of the entire upper face, most of the midface, and indirectly, key structures of the lower face. Second, the upward pull of the muscles of the cheek and mouth will produce an elevation of the corner of the mouth, affecting positively the smiling mechanism, the oral frowning, and the jowls. Third, the dissection deep to both layers of the temporal fascia decreases the risk of injury to the frontalis nerve. Fourth, the temporal fascia is used as a lifter and anchoring element of the entire cheek-perioral soft tissues as opposed to the periorbital fibrofatty tissues. This will decrease the risk of injuring the frontal and zygomatic branches of the facial nerve. These modifications have been used in 28 patients. Our rate of patient satisfaction has been high, and no complications with regard to nerve injury have been observed. This compares favorably with our initial 60 patients, in whom the Psillakis or Tessier approach was used. In these patients, there was an 11 and 20 percent rate of nerve injury, respectively.

Aged↗

PubMed1985

Intra-abdominal pressure and trunk muscle activity during lifting. III. Effect of abdominal muscle training in chronic low-back patients.

Isometric training of the abdominal muscles is often recommended in programs of primary or secondary prevention for low-back pain. In this study 20 male workers with 2-18 years' history (average 5 1/2 years) of low-back pain without sciatica went through intense isometric abdominal muscle training for 5 weeks. Before and after training the subjects had trunk flexion and extension strength tests and a series of standardized lifts. The intraabdominal pressure (IAP) and the EMG activity of the oblique abdominal muscles, and of the erector spinae muscle were recorded. It was found that: the strength of the abdominal muscles increased; the increased strength was correlated to an improved recruitment of motor units in the oblique abdominal muscles; the EMG activity of the oblique abdominal muscles when lifting decreased after training, i.e. the acquired ability to recruit more motor units was not made use of; the IAP at lifting was generally not affected. A better knowledge of the mechanisms responsible for the IAP in different situations is needed to support advice on training or other prevention.

Abdomen↗

PubMedDate not supplied

[Maturation of the activity of cerebellar Purkinje cells and the lift reaction].

In experiments on guinea pigs (from newborn to adults), studies have been made on the extensor, support and lift reactions, as well as on the activity of cerebellar Purkinje cells in the same animals. First signs of immature lift, extensor and support reactions were observed already 12th after birth. At this period, mean discharge frequency in Purkinje cells was significantly lower than in the adult animals, reaching 11.5 +/- 1.2 imp/s for simple spikes and 0.45 +/- 0.05 imp/s for complex ones. Complete maturation of lift, extensor and support reactions takes place to the beginning of the 2nd week (8-9 days) of postnatal life. Within this period, significant changes in the activity of Purkinje cells were observed: mean discharge frequency of simple and complex spikes increased correspondingly up to 17.9 +/- 2.3 and 1.48 +/- 0.25 imp/s. At the same time, the mean discharge frequency in Purkinje cells, the average duration of inhibition pause, and the response latency became more stable.

Aging↗

PubMed1980

Adjuncts to face lifting procedures.

The face lift alone is seldom adequate treatment for the aging face. Rhinoplasty, brow lift, and blepharoplasty frequently are done to enhance the effect of the face lift itself. Other procedures must be considered for treatment of specific areas of the face. A presentation of the authors' techniques for dealing with these areas is given. A general presentation of make-up techniques and overall skin care is included as a guideline for the staff of the surgeon dealing with the aging face. Proper make-up, hair styling, and skin care can greatly aid the patient in enhancing her self-image.

Chin↗